锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲第一成人在线,亚洲精品免费在线播放,午夜视频久久久久久http://m.shnenglu.com/ivenher/category/197.htmlzh-cnWed, 21 May 2008 09:23:17 GMTWed, 21 May 2008 09:23:17 GMT60SQL Server 绱㈠紩緇撴瀯鍙婂叾浣跨敤錛堝洓錛塠杞琞 http://m.shnenglu.com/ivenher/articles/12165.html鐖遍キ鐩?/dc:creator>鐖遍キ鐩?/author>Fri, 08 Sep 2006 05:49:00 GMThttp://m.shnenglu.com/ivenher/articles/12165.htmlhttp://m.shnenglu.com/ivenher/comments/12165.htmlhttp://m.shnenglu.com/ivenher/articles/12165.html#Feedback0http://m.shnenglu.com/ivenher/comments/commentRss/12165.htmlhttp://m.shnenglu.com/ivenher/services/trackbacks/12165.html 鑱氶泦绱㈠紩鐨勯噸瑕佹у拰濡備綍閫夋嫨鑱氶泦绱㈠紩

銆銆鍦?a target="_blank">涓婁竴鑺?/a>鐨勬爣棰樹腑錛岀瑪鑰呭啓鐨勬槸錛氬疄鐜板皬鏁版嵁閲忓拰嫻烽噺鏁版嵁鐨勯氱敤鍒嗛〉鏄劇ず瀛樺偍榪囩▼銆傝繖鏄洜涓哄湪灝嗘湰瀛樺偍榪囩▼搴旂敤浜庘滃姙鍏嚜鍔ㄥ寲鈥濈郴緇熺殑瀹炶返涓椂錛岀瑪鑰呭彂鐜拌繖絎笁縐嶅瓨鍌ㄨ繃紼嬪湪灝忔暟鎹噺鐨勬儏鍐典笅錛屾湁濡備笅鐜拌薄錛?

1銆佸垎欏甸熷害涓鑸淮鎸佸湪1縐掑拰3縐掍箣闂淬?

2銆佸湪鏌ヨ鏈鍚庝竴欏墊椂錛岄熷害涓鑸負5縐掕嚦8縐掞紝鍝曞垎欏墊繪暟鍙湁3欏墊垨30涓囬〉銆?

銆銆铏界劧鍦ㄨ秴澶у閲忔儏鍐典笅錛岃繖涓垎欏電殑瀹炵幇榪囩▼鏄緢蹇殑錛屼絾鍦ㄥ垎鍓嶅嚑欏墊椂錛岃繖涓?錛?縐掔殑閫熷害姣旇搗絎竴縐嶇敋鑷蟲病鏈夌粡榪囦紭鍖栫殑鍒嗛〉鏂規硶閫熷害榪樿鎱紝鍊熺敤鎴風殑璇濊灝辨槸鈥滆繕娌℃湁ACCESS鏁版嵁搴撻熷害蹇濓紝榪欎釜璁よ瘑瓚充互瀵艱嚧鐢ㄦ埛鏀懼純浣跨敤鎮ㄥ紑鍙戠殑緋葷粺銆?
銆銆絎旇呭氨姝ゅ垎鏋愪簡涓涓嬶紝鍘熸潵浜х敓榪欑鐜拌薄鐨勭棁緇撴槸濡傛鐨勭畝鍗曪紝浣嗗張濡傛鐨勯噸瑕侊細鎺掑簭鐨勫瓧孌典笉鏄仛闆嗙儲寮曪紒
銆銆鏈瘒鏂囩珷鐨勯鐩槸錛氣滄煡璇紭鍖栧強鍒嗛〉綆楁硶鏂規鈥濄傜瑪鑰呭彧鎵浠ユ妸鈥滄煡璇紭鍖栤濆拰鈥滃垎欏電畻娉曗濊繖涓や釜鑱旂郴涓嶆槸寰堝ぇ鐨勮棰樻斁鍦ㄤ竴璧鳳紝灝辨槸鍥犱負浜岃呴兘闇瑕佷竴涓潪甯擱噸瑕佺殑涓滆タ鈥曗曡仛闆嗙儲寮曘?
鍦ㄥ墠闈㈢殑璁ㄨ涓垜浠凡緇忔彁鍒頒簡錛岃仛闆嗙儲寮曟湁涓や釜鏈澶х殑浼樺娍錛?

1銆佷互鏈蹇殑閫熷害緙╁皬鏌ヨ鑼冨洿銆?

2銆佷互鏈蹇殑閫熷害榪涜瀛楁鎺掑簭銆?

銆銆絎?鏉″鐢ㄥ湪鏌ヨ浼樺寲鏃訛紝鑰岀2鏉″鐢ㄥ湪榪涜鍒嗛〉鏃剁殑鏁版嵁鎺掑簭銆?

銆銆鑰岃仛闆嗙儲寮曞湪姣忎釜琛ㄥ唴鍙堝彧鑳藉緩绔嬩竴涓紝榪欎嬌寰楄仛闆嗙儲寮曟樉寰楁洿鍔犵殑閲嶈銆傝仛闆嗙儲寮曠殑鎸戦夊彲浠ヨ鏄疄鐜扳滄煡璇紭鍖栤濆拰鈥滈珮鏁堝垎欏碘濈殑鏈鍏抽敭鍥犵礌銆?
銆銆浣嗚鏃嬌鑱氶泦绱㈠紩鍒楁棦絎﹀悎鏌ヨ鍒楃殑闇瑕侊紝鍙堢鍚堟帓搴忓垪鐨勯渶瑕侊紝榪欓氬父鏄竴涓煕鐩俱傜瑪鑰呭墠闈⑩滅儲寮曗濈殑璁ㄨ涓紝灝唂ariqi錛屽嵆鐢ㄦ埛鍙戞枃鏃ユ湡浣滀負浜嗚仛闆嗙儲寮曠殑璧峰鍒楋紝鏃ユ湡鐨勭簿紜害涓衡滄棩鈥濄傝繖縐嶄綔娉曠殑浼樼偣錛屽墠闈㈠凡緇忔彁鍒頒簡錛屽湪榪涜鍒掓椂闂存鐨勫揩閫熸煡璇腑錛屾瘮鐢↖D涓婚敭鍒楁湁寰堝ぇ鐨勪紭鍔褲?
銆銆浣嗗湪鍒嗛〉鏃訛紝鐢變簬榪欎釜鑱氶泦绱㈠紩鍒楀瓨鍦ㄧ潃閲嶅璁板綍錛屾墍浠ユ棤娉曚嬌鐢╩ax鎴杕in鏉ユ渶涓哄垎欏電殑鍙傜収鐗╋紝榪涜屾棤娉曞疄鐜版洿涓洪珮鏁堢殑鎺掑簭銆傝屽鏋滃皢ID涓婚敭鍒椾綔涓鴻仛闆嗙儲寮曪紝閭d箞鑱氶泦绱㈠紩闄や簡鐢ㄤ互鎺掑簭涔嬪錛屾病鏈変換浣曠敤澶勶紝瀹為檯涓婃槸嫻垂浜嗚仛闆嗙儲寮曡繖涓疂璐電殑璧勬簮銆?
銆銆涓鴻В鍐寵繖涓煕鐩撅紝絎旇呭悗鏉ュ張娣誨姞浜嗕竴涓棩鏈熷垪錛屽叾榛樿鍊間負getdate()銆傜敤鎴峰湪鍐欏叆璁板綍鏃訛紝榪欎釜鍒楄嚜鍔ㄥ啓鍏ュ綋鏃剁殑鏃墮棿錛屾椂闂寸簿紜埌姣銆傚嵆浣胯繖鏍鳳紝涓轟簡閬垮厤鍙兘鎬у緢灝忕殑閲嶅悎錛岃繕瑕佸湪姝ゅ垪涓婂垱寤篣NIQUE綰︽潫銆傚皢姝ゆ棩鏈熷垪浣滀負鑱氶泦绱㈠紩鍒椼?
銆銆鏈変簡榪欎釜鏃墮棿鍨嬭仛闆嗙儲寮曞垪涔嬪悗錛岀敤鎴峰氨鏃㈠彲浠ョ敤榪欎釜鍒楁煡鎵劇敤鎴峰湪鎻掑叆鏁版嵁鏃剁殑鏌愪釜鏃墮棿孌電殑鏌ヨ錛屽張鍙互浣滀負鍞竴鍒楁潵瀹炵幇max鎴杕in錛屾垚涓哄垎欏電畻娉曠殑鍙傜収鐗┿?
銆銆緇忚繃榪欐牱鐨勪紭鍖栵紝絎旇呭彂鐜幫紝鏃犺鏄ぇ鏁版嵁閲忕殑鎯呭喌涓嬭繕鏄皬鏁版嵁閲忕殑鎯呭喌涓嬶紝鍒嗛〉閫熷害涓鑸兘鏄嚑鍗佹縐掞紝鐢氳嚦0姣銆傝岀敤鏃ユ湡孌電緝灝忚寖鍥寸殑鏌ヨ閫熷害姣斿師鏉ヤ篃娌℃湁浠諱綍榪熼挐銆傝仛闆嗙儲寮曟槸濡傛鐨勯噸瑕佸拰鐝嶈吹錛屾墍浠ョ瑪鑰呮葷粨浜嗕竴涓嬶紝涓瀹氳灝嗚仛闆嗙儲寮曞緩绔嬪湪錛?

1銆佹偍鏈棰戠箒浣跨敤鐨勩佺敤浠ョ緝灝忔煡璇㈣寖鍥寸殑瀛楁涓婏紱

2銆佹偍鏈棰戠箒浣跨敤鐨勩侀渶瑕佹帓搴忕殑瀛楁涓娿?

緇撴潫璇?/b>

銆銆鏈瘒鏂囩珷姹囬泦浜嗙瑪鑰呰繎孌靛湪浣跨敤鏁版嵁搴撴柟闈㈢殑蹇冨緱錛屾槸鍦ㄥ仛鈥滃姙鍏嚜鍔ㄥ寲鈥濈郴緇熸椂瀹炶返緇忛獙鐨勭Н绱傚笇鏈涜繖綃囨枃绔犱笉浠呰兘澶熺粰澶у鐨勫伐浣滃甫鏉ヤ竴瀹氱殑甯姪錛屼篃甯屾湜鑳借澶у鑳藉浣撲細鍒板垎鏋愰棶棰樼殑鏂規硶錛涙渶閲嶈鐨勬槸錛屽笇鏈涜繖綃囨枃绔犺兘澶熸姏鐮栧紩鐜夛紝鎺璧峰ぇ瀹剁殑瀛︿範鍜岃璁虹殑鍏磋叮錛屼互鍏卞悓淇冭繘錛屽叡鍚屼負鍏畨縐戞妧寮鴻浜嬩笟鍜岄噾鐩懼伐紼嬪仛鍑鴻嚜宸辨渶澶х殑鍔姏銆?
銆銆鏈鍚庨渶瑕佽鏄庣殑鏄紝鍦ㄨ瘯楠屼腑錛屾垜鍙戠幇鐢ㄦ埛鍦ㄨ繘琛屽ぇ鏁版嵁閲忔煡璇㈢殑鏃跺欙紝瀵規暟鎹簱閫熷害褰卞搷鏈澶х殑涓嶆槸鍐呭瓨澶у皬錛岃屾槸CPU銆傚湪鎴戠殑P4 2.4鏈哄櫒涓婅瘯楠岀殑鏃跺欙紝鏌ョ湅鈥滆祫婧愮鐞嗗櫒鈥濓紝CPU緇忓父鍑虹幇鎸佺畫鍒?00%鐨勭幇璞★紝鑰屽唴瀛樼敤閲忓嵈騫舵病鏈夋敼鍙樻垨鑰呰娌℃湁澶х殑鏀瑰彉銆傚嵆浣垮湪鎴戜滑鐨凥P ML 350 G3鏈嶅姟鍣ㄤ笂璇曢獙鏃訛紝CPU宄板間篃鑳借揪鍒?0%錛屼竴鑸寔緇湪70%宸﹀彸銆?
銆銆鏈枃鐨勮瘯楠屾暟鎹兘鏄潵鑷垜浠殑HP ML 350鏈嶅姟鍣ㄣ傛湇鍔″櫒閰嶇疆錛氬弻Inter Xeon 瓚呯嚎紼?CPU 2.4G錛屽唴瀛?G錛屾搷浣滅郴緇焀indows Server 2003 Enterprise Edition錛屾暟鎹簱SQL Server 2000 SP3

鏂囩珷寮曠敤錛?a >http://www.vckbase.com/document/viewdoc/?id=1310



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SQL Server 绱㈠紩緇撴瀯鍙婂叾浣跨敤錛堜笁錛塠杞琞 http://m.shnenglu.com/ivenher/articles/12164.html鐖遍キ鐩?/dc:creator>鐖遍キ鐩?/author>Fri, 08 Sep 2006 05:48:00 GMThttp://m.shnenglu.com/ivenher/articles/12164.htmlhttp://m.shnenglu.com/ivenher/comments/12164.htmlhttp://m.shnenglu.com/ivenher/articles/12164.html#Feedback0http://m.shnenglu.com/ivenher/comments/commentRss/12164.htmlhttp://m.shnenglu.com/ivenher/services/trackbacks/12164.html瀹炵幇灝忔暟鎹噺鍜屾搗閲忔暟鎹殑閫氱敤鍒嗛〉鏄劇ず瀛樺偍榪囩▼

銆銆寤虹珛涓涓?Web 搴旂敤錛屽垎欏墊祻瑙堝姛鑳藉繀涓嶅彲灝戙傝繖涓棶棰樻槸鏁版嵁搴撳鐞嗕腑鍗佸垎甯歌鐨勯棶棰樸傜粡鍏哥殑鏁版嵁鍒嗛〉鏂規硶鏄?ADO 綰綍闆嗗垎欏墊硶錛屼篃灝辨槸鍒╃敤ADO鑷甫鐨勫垎欏靛姛鑳斤紙鍒╃敤娓告爣錛夋潵瀹炵幇鍒嗛〉銆備絾榪欑鍒嗛〉鏂規硶浠呴傜敤浜庤緝灝忔暟鎹噺鐨勬儏褰紝鍥犱負娓告爣鏈韓鏈夌己鐐癸細娓告爣鏄瓨鏀懼湪鍐呭瓨涓紝寰堣垂鍐呭瓨銆傛父鏍囦竴寤虹珛錛屽氨灝嗙浉鍏崇殑璁板綍閿佷綇錛岀洿鍒板彇娑堟父鏍囥傛父鏍囨彁渚涗簡瀵圭壒瀹氶泦鍚堜腑閫愯鎵弿鐨勬墜孌碉紝涓鑸嬌鐢ㄦ父鏍囨潵閫愯閬嶅巻鏁版嵁錛屾牴鎹彇鍑烘暟鎹潯浠剁殑涓嶅悓榪涜涓嶅悓鐨勬搷浣溿傝屽浜庡琛ㄥ拰澶ц〃涓畾涔夌殑娓告爣錛堝ぇ鐨勬暟鎹泦鍚堬級寰幆寰堝鏄撲嬌紼嬪簭榪涘叆涓涓極闀跨殑絳夊緟鐢氳嚦姝繪満銆?
銆銆鏇撮噸瑕佺殑鏄紝瀵逛簬闈炲父澶х殑鏁版嵁妯″瀷鑰岃█錛屽垎欏墊绱㈡椂錛屽鏋滄寜鐓т紶緇熺殑姣忔閮藉姞杞芥暣涓暟鎹簮鐨勬柟娉曟槸闈炲父嫻垂璧勬簮鐨勩傜幇鍦ㄦ祦琛岀殑鍒嗛〉鏂規硶涓鑸槸媯绱㈤〉闈㈠ぇ灝忕殑鍧楀尯鐨勬暟鎹紝鑰岄潪媯绱㈡墍鏈夌殑鏁版嵁錛岀劧鍚庡崟姝ユ墽琛屽綋鍓嶈銆?
銆銆鏈鏃╄緝濂藉湴瀹炵幇榪欑鏍規嵁欏甸潰澶у皬鍜岄〉鐮佹潵鎻愬彇鏁版嵁鐨勬柟娉曞ぇ姒傚氨鏄滀縿緗楁柉瀛樺偍榪囩▼鈥濄傝繖涓瓨鍌ㄨ繃紼嬬敤浜嗘父鏍囷紝鐢變簬娓告爣鐨勫眬闄愭э紝鎵浠ヨ繖涓柟娉曞茍娌℃湁寰楀埌澶у鐨勬櫘閬嶈鍙?
銆銆鍚庢潵錛岀綉涓婃湁浜烘敼閫犱簡姝ゅ瓨鍌ㄨ繃紼嬶紝涓嬮潰鐨勫瓨鍌ㄨ繃紼嬪氨鏄粨鍚堟垜浠殑鍔炲叕鑷姩鍖栧疄渚嬪啓鐨勫垎欏靛瓨鍌ㄨ繃紼嬶細
CREATE procedure pagination1
(@pagesize int, --欏甸潰澶у皬錛屽姣忛〉瀛樺偍20鏉¤褰?
@pageindex int --褰撳墠欏電爜
)
as

set nocount on

begin
declare @indextable table(id int identity(1,1),nid int) --瀹氫箟琛ㄥ彉閲?
declare @PageLowerBound int --瀹氫箟姝ら〉鐨勫簳鐮?
declare @PageUpperBound int --瀹氫箟姝ら〉鐨勯《鐮?
set @PageLowerBound=(@pageindex-1)*@pagesize
set @PageUpperBound=@PageLowerBound+@pagesize
set rowcount @PageUpperBound
insert into @indextable(nid) select gid from TGongwen 
銆銆銆銆銆銆where fariqi >dateadd(day,-365,getdate()) order by fariqi desc
select O.gid,O.mid,O.title,O.fadanwei,O.fariqi from TGongwen O,@indextable t 
           where O.gid=t.nid and t.id>@PageLowerBound 
                        and t.id<=@PageUpperBound order by t.id
end

set nocount off

銆銆浠ヤ笂瀛樺偍榪囩▼榪愮敤浜哠QL SERVER鐨勬渶鏂版妧鏈曗曡〃鍙橀噺銆傚簲璇ヨ榪欎釜瀛樺偍榪囩▼涔熸槸涓涓潪甯鎬紭縐鐨勫垎欏靛瓨鍌ㄨ繃紼嬨傚綋鐒訛紝鍦ㄨ繖涓繃紼嬩腑錛屾偍涔熷彲浠ユ妸鍏朵腑鐨勮〃鍙橀噺鍐欐垚涓存椂琛細CREATE TABLE #Temp銆備絾寰堟槑鏄撅紝鍦⊿QL SERVER涓紝鐢ㄤ復鏃惰〃鏄病鏈夌敤琛ㄥ彉閲忓揩鐨勩傛墍浠ョ瑪鑰呭垰寮濮嬩嬌鐢ㄨ繖涓瓨鍌ㄨ繃紼嬫椂錛屾劅瑙夐潪甯哥殑涓嶉敊錛岄熷害涔熸瘮鍘熸潵鐨凙DO鐨勫ソ銆備絾鍚庢潵錛屾垜鍙堝彂鐜頒簡姣旀鏂規硶鏇村ソ鐨勬柟娉曘?
銆銆絎旇呮浘鍦ㄧ綉涓婄湅鍒頒簡涓綃囧皬鐭枃銆婁粠鏁版嵁琛ㄤ腑鍙栧嚭絎琻鏉″埌絎琺鏉$殑璁板綍鐨勬柟娉曘嬶紝鍏ㄦ枃濡備笅錛?

浠巔ublish 琛ㄤ腑鍙栧嚭絎?n 鏉″埌絎?m 鏉$殑璁板綍錛?
SELECT TOP m-n+1 * 
FROM publish 
WHERE (id NOT IN 
銆銆銆銆(SELECT TOP n-1 id 
銆銆銆銆 FROM publish)) 

id 涓簆ublish 琛ㄧ殑鍏抽敭瀛?

銆銆鎴戝綋鏃剁湅鍒拌繖綃囨枃绔犵殑鏃跺欙紝鐪熺殑鏄簿紲炰負涔嬩竴鎸紝瑙夊緱鎬濊礬闈炲父寰楀ソ銆傜瓑鍒板悗鏉ワ紝鎴戝湪浣滃姙鍏嚜鍔ㄥ寲緋葷粺錛圓SP.NET+ C#錛婼QL SERVER錛夌殑鏃跺欙紝蹇界劧鎯寵搗浜嗚繖綃囨枃绔狅紝鎴戞兂濡傛灉鎶婅繖涓鍙ユ敼閫犱竴涓嬶紝榪欏氨鍙兘鏄竴涓潪甯稿ソ鐨勫垎欏靛瓨鍌ㄨ繃紼嬨備簬鏄垜灝辨弧緗戜笂鎵捐繖綃囨枃绔狅紝娌℃兂鍒幫紝鏂囩珷榪樻病鎵懼埌錛屽嵈鎵懼埌浜嗕竴綃囨牴鎹璇彞鍐欑殑涓涓垎欏靛瓨鍌ㄨ繃紼嬶紝榪欎釜瀛樺偍榪囩▼涔熸槸鐩墠杈冧負嫻佽鐨勪竴縐嶅垎欏靛瓨鍌ㄨ繃紼嬶紝鎴戝緢鍚庢倲娌℃湁浜夊厛鎶婅繖孌墊枃瀛楁敼閫犳垚瀛樺偍榪囩▼錛?/p>

CREATE PROCEDURE pagination2
(
@SQL nVARCHAR(4000), --涓嶅甫鎺掑簭璇彞鐨凷QL璇彞
@Page int, --欏電爜
@RecsPerPage int, --姣忛〉瀹圭撼鐨勮褰曟暟
@ID VARCHAR(255), --闇瑕佹帓搴忕殑涓嶉噸澶嶇殑ID鍙?
@Sort VARCHAR(255) --鎺掑簭瀛楁鍙婅鍒?
)
AS

DECLARE @Str nVARCHAR(4000)

SET @Str=''SELECT TOP ''+CAST(@RecsPerPage AS VARCHAR(20))+'' * FROM 
(''+@SQL+'') T WHERE T.''+@ID+''NOT IN (SELECT TOP ''+CAST((@RecsPerPage*(@Page-1)) 
AS VARCHAR(20))+'' ''+@ID+'' FROM (''+@SQL+'') T9 ORDER BY ''+@Sort+'') ORDER BY ''+@Sort

PRINT @Str

EXEC sp_ExecuteSql @Str
GO

鍏跺疄錛屼互涓婅鍙ュ彲浠ョ畝鍖栦負錛?/p>

SELECT TOP 欏靛ぇ灝?*
FROM Table1 WHERE (ID NOT IN (SELECT TOP 欏靛ぇ灝?欏墊暟 id FROM 琛?ORDER BY id))
ORDER BY ID

浣嗚繖涓瓨鍌ㄨ繃紼嬫湁涓涓嚧鍛界殑緙虹偣錛屽氨鏄畠鍚湁NOT IN瀛楁牱銆傝櫧鐒舵垜鍙互鎶婂畠鏀歸犱負錛?/p>

SELECT TOP 欏靛ぇ灝?*
FROM Table1 WHERE not exists
(select * from (select top (欏靛ぇ灝?欏墊暟) * from table1 order by id) b where b.id=a.id )
order by id

銆銆鍗籌紝鐢╪ot exists鏉ヤ唬鏇縩ot in錛屼絾鎴戜滑鍓嶉潰宸茬粡璋堣繃浜嗭紝浜岃呯殑鎵ц鏁堢巼瀹為檯涓婃槸娌℃湁鍖哄埆鐨勩傛棦渚垮姝わ紝鐢═OP 緇撳悎NOT IN鐨勮繖涓柟娉曡繕鏄瘮鐢ㄦ父鏍囪鏉ュ緱蹇竴浜涖?
銆銆铏界劧鐢╪ot exists騫朵笉鑳芥尳鏁戜笂涓瓨鍌ㄨ繃紼嬬殑鏁堢巼錛屼絾浣跨敤SQL SERVER涓殑TOP鍏抽敭瀛楀嵈鏄竴涓潪甯告槑鏅虹殑閫夋嫨銆傚洜涓哄垎欏典紭鍖栫殑鏈緇堢洰鐨勫氨鏄伩鍏嶄駭鐢熻繃澶х殑璁板綍闆嗭紝鑰屾垜浠湪鍓嶉潰涔熷凡緇忔彁鍒頒簡TOP鐨勪紭鍔匡紝閫氳繃TOP 鍗沖彲瀹炵幇瀵規暟鎹噺鐨勬帶鍒躲?
銆銆鍦ㄥ垎欏電畻娉曚腑錛屽獎鍝嶆垜浠煡璇㈤熷害鐨勫叧閿洜绱犳湁涓ょ偣錛歍OP鍜孨OT IN銆俆OP鍙互鎻愰珮鎴戜滑鐨勬煡璇㈤熷害錛岃孨OT IN浼氬噺鎱㈡垜浠殑鏌ヨ閫熷害錛屾墍浠ヨ鎻愰珮鎴戜滑鏁翠釜鍒嗛〉綆楁硶鐨勯熷害錛屽氨瑕佸交搴曟敼閫燦OT IN錛屽悓鍏朵粬鏂規硶鏉ユ浛浠e畠銆?
銆銆鎴戜滑鐭ラ亾錛屽嚑涔庝換浣曞瓧孌碉紝鎴戜滑閮藉彲浠ラ氳繃max(瀛楁)鎴杕in(瀛楁)鏉ユ彁鍙栨煇涓瓧孌典腑鐨勬渶澶ф垨鏈灝忓鹼紝鎵浠ュ鏋滆繖涓瓧孌典笉閲嶅錛岄偅涔堝氨鍙互鍒╃敤榪欎簺涓嶉噸澶嶇殑瀛楁鐨刴ax鎴杕in浣滀負鍒嗘按宀紝浣垮叾鎴愪負鍒嗛〉綆楁硶涓垎寮姣忛〉鐨勫弬鐓х墿銆傚湪榪欓噷錛屾垜浠彲浠ョ敤鎿嶄綔絎︹?gt;鈥濇垨鈥?lt;鈥濆彿鏉ュ畬鎴愯繖涓嬌鍛斤紝浣挎煡璇㈣鍙ョ鍚圫ARG褰㈠紡銆傚錛?

Select top 10 * from table1 where id>200

浜庢槸灝辨湁浜嗗涓嬪垎欏墊柟妗堬細

select top 欏靛ぇ灝?*
from table1 
where id>
(select max (id) from 
(select top ((欏電爜-1)*欏靛ぇ灝? id from table1 order by id) as T
) 
order by id

銆銆鍦ㄩ夋嫨鍗充笉閲嶅鍊鹼紝鍙堝鏄撳垎杈ㄥぇ灝忕殑鍒楁椂錛屾垜浠氬父浼氶夋嫨涓婚敭銆備笅琛ㄥ垪鍑轟簡絎旇呯敤鏈夌潃1000涓囨暟鎹殑鍔炲叕鑷姩鍖栫郴緇熶腑鐨勮〃錛屽湪浠ID錛圙ID鏄富閿紝浣嗗茍涓嶆槸鑱氶泦绱㈠紩銆傦級涓烘帓搴忓垪銆佹彁鍙杇id,fariqi,title瀛楁錛屽垎鍒互絎?銆?0銆?00銆?00銆?000銆?涓囥?0涓囥?5涓囥?0涓囬〉涓轟緥錛屾祴璇曚互涓婁笁縐嶅垎欏墊柟妗堢殑鎵ц閫熷害錛氾紙鍗曚綅錛氭縐掞級

欏電爜鏂規1鏂規2鏂規3
1603076
10461663
1001076720130
5005401294383
100017110470250
10000247964500140
10000038326422831553
250000281401287202330
5000001216861278467168

銆銆浠庝笂琛ㄤ腑錛屾垜浠彲浠ョ湅鍑猴紝涓夌瀛樺偍榪囩▼鍦ㄦ墽琛?00欏典互涓嬬殑鍒嗛〉鍛戒護鏃訛紝閮芥槸鍙互淇′換鐨勶紝閫熷害閮藉緢濂姐備絾絎竴縐嶆柟妗堝湪鎵ц鍒嗛〉1000欏典互涓婂悗錛岄熷害灝遍檷浜嗕笅鏉ャ傜浜岀鏂規澶х害鏄湪鎵ц鍒嗛〉1涓囬〉浠ヤ笂鍚庨熷害寮濮嬮檷浜嗕笅鏉ャ傝岀涓夌鏂規鍗村緇堟病鏈夊ぇ鐨勯檷鍔匡紝鍚庡姴浠嶇劧寰堣凍銆?
銆銆鍦ㄧ‘瀹氫簡絎笁縐嶅垎欏墊柟妗堝悗錛屾垜浠彲浠ユ嵁姝ゅ啓涓涓瓨鍌ㄨ繃紼嬨傚ぇ瀹剁煡閬揝QL SERVER鐨勫瓨鍌ㄨ繃紼嬫槸浜嬪厛緙栬瘧濂界殑SQL璇彞錛屽畠鐨勬墽琛屾晥鐜囪姣旈氳繃WEB欏甸潰浼犳潵鐨凷QL璇彞鐨勬墽琛屾晥鐜囪楂樸備笅闈㈢殑瀛樺偍榪囩▼涓嶄粎鍚湁鍒嗛〉鏂規錛岃繕浼氭牴鎹〉闈紶鏉ョ殑鍙傛暟鏉ョ‘瀹氭槸鍚﹁繘琛屾暟鎹繪暟緇熻銆?

--鑾峰彇鎸囧畾欏電殑鏁版嵁錛?

CREATE PROCEDURE pagination3
@tblName varchar(255), -- 琛ㄥ悕
@strGetFields varchar(1000) = ''*'', -- 闇瑕佽繑鍥炵殑鍒?
@fldName varchar(255)='''', -- 鎺掑簭鐨勫瓧孌靛悕
@PageSize int = 10, -- 欏靛昂瀵?
@PageIndex int = 1, -- 欏電爜
@doCount bit = 0, -- 榪斿洖璁板綍鎬繪暟, 闈?0 鍊煎垯榪斿洖
@OrderType bit = 0, -- 璁劇疆鎺掑簭綾誨瀷, 闈?0 鍊煎垯闄嶅簭
@strWhere varchar(1500) = '''' -- 鏌ヨ鏉′歡 (娉ㄦ剰: 涓嶈鍔?where)
AS

declare @strSQL varchar(5000) -- 涓昏鍙?
declare @strTmp varchar(110) -- 涓存椂鍙橀噺
declare @strOrder varchar(400) -- 鎺掑簭綾誨瀷

if @doCount != 0
begin
if @strWhere !=''''
set @strSQL = "select count(*) as Total from [" + @tblName + "] where "+@strWhere
else
set @strSQL = "select count(*) as Total from [" + @tblName + "]"
end 

--浠ヤ笂浠g爜鐨勬剰鎬濇槸濡傛灉@doCount浼犻掕繃鏉ョ殑涓嶆槸0錛屽氨鎵ц鎬繪暟緇熻銆備互涓嬬殑鎵鏈変唬鐮侀兘鏄疈doCount涓?鐨勬儏鍐碉細

else
begin
if @OrderType != 0
begin
set @strTmp = "<(select min"
set @strOrder = " order by [" + @fldName +"] desc"

--濡傛灉@OrderType涓嶆槸0錛屽氨鎵ц闄嶅簭錛岃繖鍙ュ緢閲嶈錛?/p>

end
else
begin
set @strTmp = ">(select max"
set @strOrder = " order by [" + @fldName +"] asc"
end

if @PageIndex = 1
begin
if @strWhere != '''' 

set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ "
銆銆銆銆銆銆銆銆from [" + @tblName + "] where " + @strWhere + " " + @strOrder
else

set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " 
銆銆銆銆銆銆銆銆from ["+ @tblName + "] "+ @strOrder

--濡傛灉鏄涓欏靛氨鎵ц浠ヤ笂浠g爜錛岃繖鏍蜂細鍔犲揩鎵ц閫熷害

end
else
begin

--浠ヤ笅浠g爜璧嬩簣浜咢strSQL浠ョ湡姝f墽琛岀殑SQL浠g爜

set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from ["
+ @tblName + "] where [" + @fldName + "]" + @strTmp + "(["+ @fldName + "]) 
銆銆銆銆銆銆from (select top " + str((@PageIndex-1)*@PageSize) + " ["+ @fldName + "] 
銆銆銆銆銆銆from [" + @tblName + "]" + @strOrder + ") as tblTmp)"+ @strOrder

if @strWhere != ''''
set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from ["
+ @tblName + "] where [" + @fldName + "]" + @strTmp + "(["
+ @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
+ @fldName + "] from [" + @tblName + "] where " + @strWhere + " "
+ @strOrder + ") as tblTmp) and " + @strWhere + " " + @strOrder
end 

end 

exec (@strSQL)

GO
銆銆涓婇潰鐨勮繖涓瓨鍌ㄨ繃紼嬫槸涓涓氱敤鐨勫瓨鍌ㄨ繃紼嬶紝鍏舵敞閲婂凡鍐欏湪鍏朵腑浜嗐?鍦ㄥぇ鏁版嵁閲忕殑鎯呭喌涓嬶紝鐗瑰埆鏄湪鏌ヨ鏈鍚庡嚑欏電殑鏃跺欙紝鏌ヨ鏃墮棿涓鑸笉浼氳秴榪?縐掞紱鑰岀敤鍏朵粬瀛樺偍榪囩▼錛屽湪瀹炶返涓氨浼氬鑷磋秴鏃訛紝鎵浠ヨ繖涓瓨鍌ㄨ繃紼嬮潪甯擱傜敤浜庡ぇ瀹歸噺鏁版嵁搴撶殑鏌ヨ銆?絎旇呭笇鏈涜兘澶熼氳繃瀵逛互涓婂瓨鍌ㄨ繃紼嬬殑瑙f瀽錛岃兘緇欏ぇ瀹跺甫鏉ヤ竴瀹氱殑鍚ず錛屽茍緇欏伐浣滃甫鏉ヤ竴瀹氱殑鏁堢巼鎻愬崌錛屽悓鏃跺笇鏈涘悓琛屾彁鍑烘洿浼樼鐨勫疄鏃舵暟鎹垎欏電畻娉曘?

鏂囩珷寮曡嚜錛?a >http://www.vckbase.com/document/viewdoc/?id=1309

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SQL Server 绱㈠紩緇撴瀯鍙婂叾浣跨敤錛堜簩錛塠杞琞 http://m.shnenglu.com/ivenher/articles/12163.html鐖遍キ鐩?/dc:creator>鐖遍キ鐩?/author>Fri, 08 Sep 2006 05:45:00 GMThttp://m.shnenglu.com/ivenher/articles/12163.htmlhttp://m.shnenglu.com/ivenher/comments/12163.htmlhttp://m.shnenglu.com/ivenher/articles/12163.html#Feedback0http://m.shnenglu.com/ivenher/comments/commentRss/12163.htmlhttp://m.shnenglu.com/ivenher/services/trackbacks/12163.html 鏀瑰杽SQL璇彞

銆銆寰堝浜轟笉鐭ラ亾SQL璇彞鍦⊿QL SERVER涓槸濡備綍鎵ц鐨勶紝浠栦滑鎷呭績鑷繁鎵鍐欑殑SQL璇彞浼氳SQL SERVER璇В銆傛瘮濡傦細

select * from table1 where name=''zhangsan'' and tID > 10000

鍜屾墽琛?

select * from table1 where tID > 10000 and name=''zhangsan''

銆銆涓浜涗漢涓嶇煡閬撲互涓婁袱鏉¤鍙ョ殑鎵ц鏁堢巼鏄惁涓鏍鳳紝鍥犱負濡傛灉綆鍗曠殑浠庤鍙ュ厛鍚庝笂鐪嬶紝榪欎袱涓鍙ョ殑紜槸涓嶄竴鏍鳳紝濡傛灉tID鏄竴涓仛鍚堢儲寮曪紝閭d箞鍚庝竴鍙ヤ粎浠呬粠琛ㄧ殑10000鏉′互鍚庣殑璁板綍涓煡鎵懼氨琛屼簡錛涜屽墠涓鍙ュ垯瑕佸厛浠庡叏琛ㄤ腑鏌ユ壘鐪嬫湁鍑犱釜name=''zhangsan''鐨勶紝鑰屽悗鍐嶆牴鎹檺鍒舵潯浠舵潯浠秚ID>10000鏉ユ彁鍑烘煡璇㈢粨鏋溿?
銆銆浜嬪疄涓婏紝榪欐牱鐨勬媴蹇冩槸涓嶅繀瑕佺殑銆係QL SERVER涓湁涓涓滄煡璇㈠垎鏋愪紭鍖栧櫒鈥濓紝瀹冨彲浠ヨ綆楀嚭where瀛愬彞涓殑鎼滅儲鏉′歡騫剁‘瀹氬摢涓儲寮曡兘緙╁皬琛ㄦ壂鎻忕殑鎼滅儲絀洪棿錛屼篃灝辨槸璇達紝瀹冭兘瀹炵幇鑷姩浼樺寲銆?
銆銆铏界劧鏌ヨ浼樺寲鍣ㄥ彲浠ユ牴鎹畐here瀛愬彞鑷姩鐨勮繘琛屾煡璇紭鍖栵紝浣嗗ぇ瀹朵粛鐒舵湁蹇呰浜嗚В涓涓嬧滄煡璇紭鍖栧櫒鈥濈殑宸ヤ綔鍘熺悊錛屽闈炶繖鏍鳳紝鏈夋椂鏌ヨ浼樺寲鍣ㄥ氨浼氫笉鎸夌収鎮ㄧ殑鏈剰榪涜蹇熸煡璇€?
銆銆鍦ㄦ煡璇㈠垎鏋愰樁孌碉紝鏌ヨ浼樺寲鍣ㄦ煡鐪嬫煡璇㈢殑姣忎釜闃舵騫跺喅瀹氶檺鍒墮渶瑕佹壂鎻忕殑鏁版嵁閲忔槸鍚︽湁鐢ㄣ傚鏋滀竴涓樁孌靛彲浠ヨ鐢ㄤ綔涓涓壂鎻忓弬鏁幫紙SARG錛夛紝閭d箞灝辯О涔嬩負鍙紭鍖栫殑錛屽茍涓斿彲浠ュ埄鐢ㄧ儲寮曞揩閫熻幏寰楁墍闇鏁版嵁銆?
銆銆SARG鐨勫畾涔夛細鐢ㄤ簬闄愬埗鎼滅儲鐨勪竴涓搷浣滐紝鍥犱負瀹冮氬父鏄寚涓涓壒瀹氱殑鍖歸厤錛屼竴涓煎緱鑼冨洿鍐呯殑鍖歸厤鎴栬呬袱涓互涓婃潯浠剁殑AND榪炴帴銆傚艦寮忓涓嬶細

鍒楀悕 鎿嶄綔絎?<甯告暟 鎴?鍙橀噺>

鎴?

<甯告暟 鎴?鍙橀噺> 鎿嶄綔絎﹀垪鍚?/pre>
		

鍒楀悕鍙互鍑虹幇鍦ㄦ搷浣滅鐨勪竴杈癸紝鑰屽父鏁版垨鍙橀噺鍑虹幇鍦ㄦ搷浣滅鐨勫彟涓杈廣傚錛?/p>

Name=鈥欏紶涓夆?

浠鋒牸>5000

5000<浠鋒牸

Name=鈥欏紶涓夆?and 浠鋒牸>5000

銆銆濡傛灉涓涓〃杈懼紡涓嶈兘婊¤凍SARG鐨勫艦寮忥紝閭e畠灝辨棤娉曢檺鍒舵悳绱㈢殑鑼冨洿浜嗭紝涔熷氨鏄疭QL SERVER蹇呴』瀵規瘡涓琛岄兘鍒ゆ柇瀹冩槸鍚︽弧瓚砏HERE瀛愬彞涓殑鎵鏈夋潯浠躲傛墍浠ヤ竴涓儲寮曞浜庝笉婊¤凍SARG褰㈠紡鐨勮〃杈懼紡鏉ヨ鏄棤鐢ㄧ殑銆?
銆銆浠嬬粛瀹孲ARG鍚庯紝鎴戜滑鏉ユ葷粨涓涓嬩嬌鐢⊿ARG浠ュ強鍦ㄥ疄璺典腑閬囧埌鐨勫拰鏌愪簺璧勬枡涓婄粨璁轟笉鍚岀殑緇忛獙錛?

1銆丩ike璇彞鏄惁灞炰簬SARG鍙栧喅浜庢墍浣跨敤鐨勯氶厤絎︾殑綾誨瀷

濡傦細name like 鈥樺紶%鈥?錛岃繖灝卞睘浜嶴ARG

鑰岋細name like 鈥?寮犫?,灝變笉灞炰簬SARG銆?/pre>
		

鍘熷洜鏄氶厤絎?鍦ㄥ瓧絎︿覆鐨勫紑閫氫嬌寰楃儲寮曟棤娉曚嬌鐢ㄣ?

2銆乷r 浼氬紩璧峰叏琛ㄦ壂鎻?
銆銆Name=鈥欏紶涓夆?and 浠鋒牸>5000 絎﹀彿SARG錛岃岋細Name=鈥欏紶涓夆?or 浠鋒牸>5000 鍒欎笉絎﹀悎SARG銆備嬌鐢╫r浼氬紩璧峰叏琛ㄦ壂鎻忋?

3銆侀潪鎿嶄綔絎︺佸嚱鏁板紩璧風殑涓嶆弧瓚砈ARG褰㈠紡鐨勮鍙?
銆銆涓嶆弧瓚砈ARG褰㈠紡鐨勮鍙ユ渶鍏稿瀷鐨勬儏鍐靛氨鏄寘鎷潪鎿嶄綔絎︾殑璇彞錛屽錛歂OT銆?=銆?lt;>銆?<銆?>銆丯OT EXISTS銆丯OT IN銆丯OT LIKE絳夛紝鍙﹀榪樻湁鍑芥暟銆備笅闈㈠氨鏄嚑涓笉婊¤凍SARG褰㈠紡鐨勪緥瀛愶細

ABS(浠鋒牸)<5000

Name like 鈥?涓夆?

鏈変簺琛ㄨ揪寮忥紝濡傦細

WHERE 浠鋒牸*2>5000

SQL SERVER涔熶細璁や負鏄疭ARG錛孲QL SERVER浼氬皢姝ゅ紡杞寲涓猴細
WHERE 浠鋒牸>2500/2

浣嗘垜浠笉鎺ㄨ崘榪欐牱浣跨敤錛屽洜涓烘湁鏃禨QL SERVER涓嶈兘淇濊瘉榪欑杞寲涓庡師濮嬭〃杈懼紡鏄畬鍏ㄧ瓑浠風殑銆?

4銆両N 鐨勪綔鐢ㄧ浉褰撲笌OR

璇彞錛?

Select * from table1 where tid in (2,3)

鍜?

Select * from table1 where tid=2 or tid=3

鏄竴鏍風殑錛岄兘浼氬紩璧峰叏琛ㄦ壂鎻忥紝濡傛灉tid涓婃湁绱㈠紩錛屽叾绱㈠紩涔熶細澶辨晥銆?

5銆佸敖閲忓皯鐢∟OT

6銆乪xists 鍜?in 鐨勬墽琛屾晥鐜囨槸涓鏍風殑
銆銆寰堝璧勬枡涓婇兘鏄劇ず璇達紝exists瑕佹瘮in鐨勬墽琛屾晥鐜囪楂橈紝鍚屾椂搴斿敖鍙兘鐨勭敤not exists鏉ヤ唬鏇縩ot in銆備絾浜嬪疄涓婏紝鎴戣瘯楠屼簡涓涓嬶紝鍙戠幇浜岃呮棤璁烘槸鍓嶉潰甯︿笉甯ot錛屼簩鑰呬箣闂寸殑鎵ц鏁堢巼閮芥槸涓鏍風殑銆傚洜涓烘秹鍙婂瓙鏌ヨ錛屾垜浠瘯楠岃繖嬈$敤SQL SERVER鑷甫鐨刾ubs鏁版嵁搴撱傝繍琛屽墠鎴戜滑鍙互鎶奡QL SERVER鐨剆tatistics I/O鐘舵佹墦寮錛?

錛?錛塻elect title,price from titles where title_id in (select title_id from sales where qty>30)

璇ュ彞鐨勬墽琛岀粨鏋滀負錛?

琛?''sales''銆傛壂鎻忚鏁?18錛岄昏緫璇?56 嬈★紝鐗╃悊璇?0 嬈★紝棰勮 0 嬈°?
琛?''titles''銆傛壂鎻忚鏁?1錛岄昏緫璇?2 嬈★紝鐗╃悊璇?0 嬈★紝棰勮 0 嬈°?

錛?錛塻elect title,price from titles 
銆銆銆銆銆銆銆where exists (select * from sales 
銆銆銆銆銆銆銆where sales.title_id=titles.title_id and qty>30)

絎簩鍙ョ殑鎵ц緇撴灉涓猴細

琛?''sales''銆傛壂鎻忚鏁?18錛岄昏緫璇?56 嬈★紝鐗╃悊璇?0 嬈★紝棰勮 0 嬈°?
琛?''titles''銆傛壂鎻忚鏁?1錛岄昏緫璇?2 嬈★紝鐗╃悊璇?0 嬈★紝棰勮 0 嬈°?

鎴戜滑浠庢鍙互鐪嬪埌鐢╡xists鍜岀敤in鐨勬墽琛屾晥鐜囨槸涓鏍風殑銆?

7銆佺敤鍑芥暟charindex()鍜屽墠闈㈠姞閫氶厤絎?鐨凩IKE鎵ц鏁堢巼涓鏍?
銆銆鍓嶉潰錛屾垜浠皥鍒幫紝濡傛灉鍦↙IKE鍓嶉潰鍔犱笂閫氶厤絎?錛岄偅涔堝皢浼氬紩璧峰叏琛ㄦ壂鎻忥紝鎵浠ュ叾鎵ц鏁堢巼鏄綆涓嬬殑銆備絾鏈夌殑璧勬枡浠嬬粛璇達紝鐢ㄥ嚱鏁癱harindex()鏉ヤ唬鏇縇IKE閫熷害浼氭湁澶х殑鎻愬崌錛岀粡鎴戣瘯楠岋紝鍙戠幇榪欑璇存槑涔熸槸閿欒鐨勶細

select gid,title,fariqi,reader from tgongwen 
銆銆銆銆銆銆銆銆銆where charindex(''鍒戜睛鏀槦'',reader)>0 and fariqi>''2004-5-5''

鐢ㄦ椂錛?縐掞紝鍙﹀錛氭壂鎻忚鏁?4錛岄昏緫璇?7155 嬈★紝鐗╃悊璇?0 嬈★紝棰勮 0 嬈°?/p>

select gid,title,fariqi,reader from tgongwen 
銆銆銆銆銆銆銆銆銆where reader like ''%'' + ''鍒戜睛鏀槦'' + ''%'' and fariqi>''2004-5-5''

鐢ㄦ椂錛?縐掞紝鍙﹀錛氭壂鎻忚鏁?4錛岄昏緫璇?7155 嬈★紝鐗╃悊璇?0 嬈★紝棰勮 0 嬈°?

8銆乽nion騫朵笉緇濆姣攐r鐨勬墽琛屾晥鐜囬珮
銆銆鎴戜滑鍓嶉潰宸茬粡璋堝埌浜嗗湪where瀛愬彞涓嬌鐢╫r浼氬紩璧峰叏琛ㄦ壂鎻忥紝涓鑸殑錛屾垜鎵瑙佽繃鐨勮祫鏂欓兘鏄帹鑽愯繖閲岀敤union鏉ヤ唬鏇縪r銆備簨瀹炶瘉鏄庯紝榪欑璇存硶瀵逛簬澶ч儴鍒嗛兘鏄傜敤鐨勩?

select gid,fariqi,neibuyonghu,reader,title from Tgongwen 
銆銆銆銆銆銆銆銆銆銆where fariqi=''2004-9-16'' or gid>9990000

鐢ㄦ椂錛?8縐掋傛壂鎻忚鏁?1錛岄昏緫璇?404008 嬈★紝鐗╃悊璇?283 嬈★紝棰勮 392163 嬈°?/p>

select gid,fariqi,neibuyonghu,reader,title from Tgongwen where fariqi=''2004-9-16'' 
union
select gid,fariqi,neibuyonghu,reader,title from Tgongwen where gid>9990000

鐢ㄦ椂錛?縐掋傛壂鎻忚鏁?8錛岄昏緫璇?67489 嬈★紝鐗╃悊璇?216 嬈★紝棰勮 7499 嬈°?

鐪嬫潵錛岀敤union鍦ㄩ氬父鎯呭喌涓嬫瘮鐢╫r鐨勬晥鐜囪楂樼殑澶氥?

銆銆浣嗙粡榪囪瘯楠岋紝絎旇呭彂鐜板鏋渙r涓よ竟鐨勬煡璇㈠垪鏄竴鏍風殑璇濓紝閭d箞鐢╱nion鍒欏弽鍊掑拰鐢╫r鐨勬墽琛岄熷害宸緢澶氾紝铏界劧榪欓噷union鎵弿鐨勬槸绱㈠紩錛岃宱r鎵弿鐨勬槸鍏ㄨ〃銆?

select gid,fariqi,neibuyonghu,reader,title from Tgongwen 
銆銆銆銆銆銆銆銆銆銆where fariqi=''2004-9-16'' or fariqi=''2004-2-5''

鐢ㄦ椂錛?423姣銆傛壂鎻忚鏁?2錛岄昏緫璇?14726 嬈★紝鐗╃悊璇?1 嬈★紝棰勮 7176 嬈°?/p>

select gid,fariqi,neibuyonghu,reader,title from Tgongwen where fariqi=''2004-9-16'' 
union
select gid,fariqi,neibuyonghu,reader,title from Tgongwen where fariqi=''2004-2-5''

鐢ㄦ椂錛?1640姣銆傛壂鎻忚鏁?8錛岄昏緫璇?14806 嬈★紝鐗╃悊璇?108 嬈★紝棰勮 1144 嬈°?

9銆佸瓧孌墊彁鍙栬鎸夌収鈥滈渶澶氬皯銆佹彁澶氬皯鈥濈殑鍘熷垯錛岄伩鍏嶁渟elect *鈥?
銆銆鎴戜滑鏉ュ仛涓涓瘯楠岋細

select top 10000 gid,fariqi,reader,title from tgongwen order by gid desc

鐢ㄦ椂錛?673姣

select top 10000 gid,fariqi,title from tgongwen order by gid desc

鐢ㄦ椂錛?376姣

select top 10000 gid,fariqi from tgongwen order by gid desc

鐢ㄦ椂錛?0姣

銆銆鐢辨鐪嬫潵錛屾垜浠瘡灝戞彁鍙栦竴涓瓧孌碉紝鏁版嵁鐨勬彁鍙栭熷害灝變細鏈夌浉搴旂殑鎻愬崌銆傛彁鍗囩殑閫熷害榪樿鐪嬫偍鑸嶅純鐨勫瓧孌電殑澶у皬鏉ュ垽鏂?

10銆乧ount(*)涓嶆瘮count(瀛楁)鎱?
銆銆鏌愪簺璧勬枡涓婅錛氱敤*浼氱粺璁℃墍鏈夊垪錛屾樉鐒惰姣斾竴涓笘鐣岀殑鍒楀悕鏁堢巼浣庛傝繖縐嶈娉曞叾瀹炴槸娌℃湁鏍規嵁鐨勩傛垜浠潵鐪嬶細

select count(*) from Tgongwen

鐢ㄦ椂錛?500姣

select count(gid) from Tgongwen 

鐢ㄦ椂錛?483姣

select count(fariqi) from Tgongwen

鐢ㄦ椂錛?140姣

select count(title) from Tgongwen

鐢ㄦ椂錛?2050姣

銆銆浠庝互涓婂彲浠ョ湅鍑猴紝濡傛灉鐢╟ount(*)鍜岀敤count(涓婚敭)鐨勯熷害鏄浉褰撶殑錛岃宑ount(*)鍗存瘮鍏朵粬浠諱綍闄や富閿互澶栫殑瀛楁姹囨婚熷害瑕佸揩錛岃屼笖瀛楁瓚婇暱錛屾眹鎬葷殑閫熷害灝辮秺鎱€傛垜鎯籌紝濡傛灉鐢╟ount(*)錛?SQL SERVER鍙兘浼氳嚜鍔ㄦ煡鎵炬渶灝忓瓧孌墊潵姹囨葷殑銆傚綋鐒訛紝濡傛灉鎮ㄧ洿鎺ュ啓count(涓婚敭)灝嗕細鏉ョ殑鏇寸洿鎺ヤ簺銆?

11銆乷rder by鎸夎仛闆嗙儲寮曞垪鎺掑簭鏁堢巼鏈楂?
銆銆鎴戜滑鏉ョ湅錛氾紙gid鏄富閿紝fariqi鏄仛鍚堢儲寮曞垪錛夛細

select top 10000 gid,fariqi,reader,title from tgongwen

鐢ㄦ椂錛?96 姣銆?鎵弿璁℃暟 1錛岄昏緫璇?289 嬈★紝鐗╃悊璇?1 嬈★紝棰勮 1527 嬈°?/p>

select top 10000 gid,fariqi,reader,title from tgongwen order by gid asc

鐢ㄦ椂錛?720姣銆?鎵弿璁℃暟 1錛岄昏緫璇?41956 嬈★紝鐗╃悊璇?0 嬈★紝棰勮 1287 嬈°?/p>

select top 10000 gid,fariqi,reader,title from tgongwen order by gid desc

鐢ㄦ椂錛?736姣銆?鎵弿璁℃暟 1錛岄昏緫璇?55350 嬈★紝鐗╃悊璇?10 嬈★紝棰勮 775 嬈°?/p>

select top 10000 gid,fariqi,reader,title from tgongwen order by fariqi asc

鐢ㄦ椂錛?73姣銆?鎵弿璁℃暟 1錛岄昏緫璇?290 嬈★紝鐗╃悊璇?0 嬈★紝棰勮 0 嬈°?/p>

select top 10000 gid,fariqi,reader,title from tgongwen order by fariqi desc

鐢ㄦ椂錛?56姣銆?鎵弿璁℃暟 1錛岄昏緫璇?289 嬈★紝鐗╃悊璇?0 嬈★紝棰勮 0 嬈°?

銆銆浠庝互涓婃垜浠彲浠ョ湅鍑猴紝涓嶆帓搴忕殑閫熷害浠ュ強閫昏緫璇繪鏁伴兘鏄拰鈥渙rder by 鑱氶泦绱㈠紩鍒椻?鐨勯熷害鏄浉褰撶殑錛屼絾榪欎簺閮芥瘮鈥渙rder by 闈炶仛闆嗙儲寮曞垪鈥濈殑鏌ヨ閫熷害鏄揩寰楀鐨勩?
銆銆鍚屾椂錛屾寜鐓ф煇涓瓧孌佃繘琛屾帓搴忕殑鏃跺欙紝鏃犺鏄搴忚繕鏄掑簭錛岄熷害鏄熀鏈浉褰撶殑銆?

12銆侀珮鏁堢殑TOP
銆銆浜嬪疄涓婏紝鍦ㄦ煡璇㈠拰鎻愬彇瓚呭ぇ瀹歸噺鐨勬暟鎹泦鏃訛紝褰卞搷鏁版嵁搴撳搷搴旀椂闂寸殑鏈澶у洜绱犱笉鏄暟鎹煡鎵撅紝鑰屾槸鐗╃悊鐨処/0鎿嶄綔銆傚錛?

select top 10 * from (
select top 10000 gid,fariqi,title from tgongwen
where neibuyonghu=''鍔炲叕瀹?'
order by gid desc) as a
order by gid asc

銆銆榪欐潯璇彞錛屼粠鐞嗚涓婅錛屾暣鏉¤鍙ョ殑鎵ц鏃墮棿搴旇姣斿瓙鍙ョ殑鎵ц鏃墮棿闀匡紝浣嗕簨瀹炵浉鍙嶃傚洜涓猴紝瀛愬彞鎵ц鍚庤繑鍥炵殑鏄?0000鏉¤褰曪紝鑰屾暣鏉¤鍙ヤ粎榪斿洖10鏉¤鍙ワ紝鎵浠ュ獎鍝嶆暟鎹簱鍝嶅簲鏃墮棿鏈澶х殑鍥犵礌鏄墿鐞咺/O鎿嶄綔銆傝岄檺鍒剁墿鐞咺/O鎿嶄綔姝ゅ鐨勬渶鏈夋晥鏂規硶涔嬩竴灝辨槸浣跨敤TOP鍏抽敭璇嶄簡銆俆OP鍏抽敭璇嶆槸SQL SERVER涓粡榪囩郴緇熶紭鍖栬繃鐨勪竴涓敤鏉ユ彁鍙栧墠鍑犳潯鎴栧墠鍑犱釜鐧懼垎姣旀暟鎹殑璇嶃傜粡絎旇呭湪瀹炶返涓殑搴旂敤錛屽彂鐜癟OP紜疄寰堝ソ鐢紝鏁堢巼涔熷緢楂樸備絾榪欎釜璇嶅湪鍙﹀涓涓ぇ鍨嬫暟鎹簱ORACLE涓嵈娌℃湁錛岃繖涓嶈兘璇翠笉鏄竴涓仐鎲撅紝铏界劧鍦∣RACLE涓彲浠ョ敤鍏朵粬鏂規硶錛堝錛歳ownumber錛夋潵瑙e喅銆傚湪浠ュ悗鐨勫叧浜庘滃疄鐜板崈涓囩駭鏁版嵁鐨勫垎欏墊樉紺哄瓨鍌ㄨ繃紼嬧濈殑璁ㄨ涓紝鎴戜滑灝卞皢鐢ㄥ埌TOP榪欎釜鍏抽敭璇嶃?
銆銆鍒版涓烘錛屾垜浠笂闈㈣璁轟簡濡備綍瀹炵幇浠庡ぇ瀹歸噺鐨勬暟鎹簱涓揩閫熷湴鏌ヨ鍑烘偍鎵闇瑕佺殑鏁版嵁鏂規硶銆傚綋鐒訛紝鎴戜滑浠嬬粛鐨勮繖浜涙柟娉曢兘鏄滆蔣鈥濇柟娉曪紝鍦ㄥ疄璺典腑錛屾垜浠繕瑕佽冭檻鍚勭鈥滅‖鈥濆洜绱狅紝濡傦細緗戠粶鎬ц兘銆佹湇鍔″櫒鐨勬ц兘銆佹搷浣滅郴緇熺殑鎬ц兘錛岀敋鑷崇綉鍗°佷氦鎹㈡満絳夈?

鏂囩珷寮曡嚜錛?a >http://www.vckbase.com/document/viewdoc/?id=1308



]]>SQL Server 绱㈠紩緇撴瀯鍙婂叾浣跨敤錛堜竴錛?/title><link>http://m.shnenglu.com/ivenher/articles/12162.html</link><dc:creator>鐖遍キ鐩?/dc:creator><author>鐖遍キ鐩?/author><pubDate>Fri, 08 Sep 2006 05:38:00 GMT</pubDate><guid>http://m.shnenglu.com/ivenher/articles/12162.html</guid><wfw:comment>http://m.shnenglu.com/ivenher/comments/12162.html</wfw:comment><comments>http://m.shnenglu.com/ivenher/articles/12162.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.shnenglu.com/ivenher/comments/commentRss/12162.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/ivenher/services/trackbacks/12162.html</trackback:ping><description><![CDATA[ <p> <b>涓銆佹繁鍏ユ祬鍑虹悊瑙g儲寮曠粨鏋?/b> <br /> <br />銆銆瀹為檯涓婏紝鎮ㄥ彲浠ユ妸绱㈠紩鐞嗚В涓轟竴縐嶇壒孌婄殑鐩綍銆傚井杞殑SQL SERVER鎻愪緵浜嗕袱縐嶇儲寮曪細鑱氶泦绱㈠紩錛坈lustered index錛屼篃縐拌仛綾葷儲寮曘佺皣闆嗙儲寮曪級鍜岄潪鑱氶泦绱㈠紩錛坣onclustered index錛屼篃縐伴潪鑱氱被绱㈠紩銆侀潪綈囬泦绱㈠紩錛夈備笅闈紝鎴戜滑涓句緥鏉ヨ鏄庝竴涓嬭仛闆嗙儲寮曞拰闈炶仛闆嗙儲寮曠殑鍖哄埆錛?<br />銆銆鍏跺疄錛屾垜浠殑姹夎瀛楀吀鐨勬鏂囨湰韜氨鏄竴涓仛闆嗙儲寮曘傛瘮濡傦紝鎴戜滑瑕佹煡鈥滃畨鈥濆瓧錛屽氨浼氬緢鑷劧鍦扮炕寮瀛楀吀鐨勫墠鍑犻〉錛屽洜涓衡滃畨鈥濈殑鎷奸煶鏄渁n鈥濓紝鑰屾寜鐓ф嫾闊蟲帓搴忔眽瀛楃殑瀛楀吀鏄互鑻辨枃瀛楁瘝鈥渁鈥濆紑澶村茍浠モ渮鈥濈粨灝劇殑錛岄偅涔堚滃畨鈥濆瓧灝辮嚜鐒跺湴鎺掑湪瀛楀吀鐨勫墠閮ㄣ傚鏋滄偍緲誨畬浜嗘墍鏈変互鈥渁鈥濆紑澶寸殑閮ㄥ垎浠嶇劧鎵句笉鍒拌繖涓瓧錛岄偅涔堝氨璇存槑鎮ㄧ殑瀛楀吀涓病鏈夎繖涓瓧錛涘悓鏍風殑錛屽鏋滄煡鈥滃紶鈥濆瓧錛岄偅鎮ㄤ篃浼氬皢鎮ㄧ殑瀛楀吀緲誨埌鏈鍚庨儴鍒嗭紝鍥犱負鈥滃紶鈥濈殑鎷奸煶鏄渮hang鈥濄備篃灝辨槸璇達紝瀛楀吀鐨勬鏂囬儴鍒嗘湰韜氨鏄竴涓洰褰曪紝鎮ㄤ笉闇瑕佸啀鍘繪煡鍏朵粬鐩綍鏉ユ壘鍒版偍闇瑕佹壘鐨勫唴瀹廣傛垜浠妸榪欑姝f枃鍐呭鏈韓灝辨槸涓縐嶆寜鐓т竴瀹氳鍒欐帓鍒楃殑鐩綍縐頒負鈥滆仛闆嗙儲寮曗濄?<br />銆銆濡傛灉鎮ㄨ璇嗘煇涓瓧錛屾偍鍙互蹇熷湴浠庤嚜鍔ㄤ腑鏌ュ埌榪欎釜瀛椼備絾鎮ㄤ篃鍙兘浼氶亣鍒版偍涓嶈璇嗙殑瀛楋紝涓嶇煡閬撳畠鐨勫彂闊籌紝榪欐椂鍊欙紝鎮ㄥ氨涓嶈兘鎸夌収鍒氭墠鐨勬柟娉曟壘鍒版偍瑕佹煡鐨勫瓧錛岃岄渶瑕佸幓鏍規嵁鈥滃亸鏃侀儴棣栤濇煡鍒版偍瑕佹壘鐨勫瓧錛岀劧鍚庢牴鎹繖涓瓧鍚庣殑欏電爜鐩存帴緲誨埌鏌愰〉鏉ユ壘鍒版偍瑕佹壘鐨勫瓧銆備絾鎮ㄧ粨鍚堚滈儴棣栫洰褰曗濆拰鈥滄瀛楄〃鈥濊屾煡鍒扮殑瀛楃殑鎺掑簭騫朵笉鏄湡姝g殑姝f枃鐨勬帓搴忔柟娉曪紝姣斿鎮ㄦ煡鈥滃紶鈥濆瓧錛屾垜浠彲浠ョ湅鍒板湪鏌ラ儴棣栦箣鍚庣殑媯瀛楄〃涓滃紶鈥濈殑欏電爜鏄?72欏碉紝媯瀛楄〃涓滃紶鈥濈殑涓婇潰鏄滈┌鈥濆瓧錛屼絾欏電爜鍗存槸63欏碉紝鈥滃紶鈥濈殑涓嬮潰鏄滃緝鈥濆瓧錛岄〉闈㈡槸390欏點傚緢鏄劇劧錛岃繖浜涘瓧騫朵笉鏄湡姝g殑鍒嗗埆浣嶄簬鈥滃紶鈥濆瓧鐨勪笂涓嬫柟錛岀幇鍦ㄦ偍鐪嬪埌鐨勮繛緇殑鈥滈┌銆佸紶銆佸緝鈥濅笁瀛楀疄闄呬笂灝辨槸浠栦滑鍦ㄩ潪鑱氶泦绱㈠紩涓殑鎺掑簭錛屾槸瀛楀吀姝f枃涓殑瀛楀湪闈炶仛闆嗙儲寮曚腑鐨勬槧灝勩傛垜浠彲浠ラ氳繃榪欑鏂瑰紡鏉ユ壘鍒版偍鎵闇瑕佺殑瀛楋紝浣嗗畠闇瑕佷袱涓繃紼嬶紝鍏堟壘鍒扮洰褰曚腑鐨勭粨鏋滐紝鐒跺悗鍐嶇炕鍒版偍鎵闇瑕佺殑欏電爜銆傛垜浠妸榪欑鐩綍綰補鏄洰褰曪紝姝f枃綰補鏄鏂囩殑鎺掑簭鏂瑰紡縐頒負鈥滈潪鑱氶泦绱㈠紩鈥濄?<br />銆銆閫氳繃浠ヤ笂渚嬪瓙錛屾垜浠彲浠ョ悊瑙e埌浠涔堟槸鈥滆仛闆嗙儲寮曗濆拰鈥滈潪鑱氶泦绱㈠紩鈥濄傝繘涓姝ュ紩鐢充竴涓嬶紝鎴戜滑鍙互寰堝鏄撶殑鐞嗚В錛氭瘡涓〃鍙兘鏈変竴涓仛闆嗙儲寮曪紝鍥犱負鐩綍鍙兘鎸夌収涓縐嶆柟娉曡繘琛屾帓搴忋?<br /><br /><b>浜屻佷綍鏃朵嬌鐢ㄨ仛闆嗙儲寮曟垨闈炶仛闆嗙儲寮?/b><br /><br />涓嬮潰鐨勮〃鎬葷粨浜嗕綍鏃朵嬌鐢ㄨ仛闆嗙儲寮曟垨闈炶仛闆嗙儲寮曪紙寰堥噸瑕侊級錛?</p> <table id="AutoNumber1" style="COLOR: #000000; BORDER-COLLAPSE: collapse" height="107" cellspacing="0" cellpadding="0" width="62%" border="1"> <tbody> <tr> <td align="middle" width="40%" height="23">鍔ㄤ綔鎻忚堪</td> <td align="middle" width="29%" height="23">浣跨敤鑱氶泦绱㈠紩</td> <td align="middle" width="31%" height="23">浣跨敤闈炶仛闆嗙儲寮?/td> </tr> <tr> <td width="40%" height="20">鍒楃粡甯歌鍒嗙粍鎺掑簭</td> <td width="29%" height="20">搴?/td> <td width="31%" height="20">搴?/td> </tr> <tr> <td width="40%" height="20">榪斿洖鏌愯寖鍥村唴鐨勬暟鎹?/td> <td width="29%" height="20">搴?/td> <td width="31%" height="20">涓嶅簲</td> </tr> <tr> <td width="40%" height="20">涓涓垨鏋佸皯涓嶅悓鍊?/td> <td width="29%" height="20">涓嶅簲</td> <td width="31%" height="20">涓嶅簲</td> </tr> <tr> <td width="40%" height="20">灝忔暟鐩殑涓嶅悓鍊?/td> <td width="29%" height="20">搴?/td> <td width="31%" height="20">涓嶅簲</td> </tr> <tr> <td width="40%" height="20">澶ф暟鐩殑涓嶅悓鍊?/td> <td width="29%" height="20">涓嶅簲</td> <td width="31%" height="20">搴?/td> </tr> <tr> <td width="40%" height="20">棰戠箒鏇存柊鐨勫垪</td> <td width="29%" height="20">涓嶅簲</td> <td width="31%" height="20">搴?/td> </tr> <tr> <td width="40%" height="20">澶栭敭鍒?/td> <td width="29%" height="20">搴?/td> <td width="31%" height="20">搴?/td> </tr> <tr> <td width="40%" height="20">涓婚敭鍒?/td> <td width="29%" height="20">搴?/td> <td width="31%" height="20">搴?/td> </tr> <tr> <td width="40%" height="20">棰戠箒淇敼绱㈠紩鍒?/td> <td width="29%" height="20">涓嶅簲</td> <td width="31%" height="20">搴?/td> </tr> </tbody> </table> <p>銆銆浜嬪疄涓婏紝鎴戜滑鍙互閫氳繃鍓嶉潰鑱氶泦绱㈠紩鍜岄潪鑱氶泦绱㈠紩鐨勫畾涔夌殑渚嬪瓙鏉ョ悊瑙d笂琛ㄣ傚錛氳繑鍥炴煇鑼冨洿鍐呯殑鏁版嵁涓欏廣傛瘮濡傛偍鐨勬煇涓〃鏈変竴涓椂闂村垪錛屾伆濂芥偍鎶婅仛鍚堢儲寮曞緩绔嬪湪浜嗚鍒楋紝榪欐椂鎮ㄦ煡璇?004騫?鏈?鏃ヨ嚦2004騫?0鏈?鏃ヤ箣闂寸殑鍏ㄩ儴鏁版嵁鏃訛紝榪欎釜閫熷害灝卞皢鏄緢蹇殑錛屽洜涓烘偍鐨勮繖鏈瓧鍏告鏂囨槸鎸夋棩鏈熻繘琛屾帓搴忕殑錛岃仛綾葷儲寮曞彧闇瑕佹壘鍒拌媯绱㈢殑鎵鏈夋暟鎹腑鐨勫紑澶村拰緇撳熬鏁版嵁鍗沖彲錛涜屼笉鍍忛潪鑱氶泦绱㈠紩錛屽繀欏誨厛鏌ュ埌鐩綍涓煡鍒版瘡涓欏規暟鎹搴旂殑欏電爜錛岀劧鍚庡啀鏍規嵁欏電爜鏌ュ埌鍏蜂綋鍐呭銆?<br /><br /><b>涓夈佺粨鍚堝疄闄咃紝璋堢儲寮曚嬌鐢ㄧ殑璇尯</b><br /><br />銆銆鐞嗚鐨勭洰鐨勬槸搴旂敤銆傝櫧鐒舵垜浠垰鎵嶅垪鍑轟簡浣曟椂搴斾嬌鐢ㄨ仛闆嗙儲寮曟垨闈炶仛闆嗙儲寮曪紝浣嗗湪瀹炶返涓互涓婅鍒欏嵈寰堝鏄撹蹇借鎴栦笉鑳芥牴鎹疄闄呮儏鍐佃繘琛岀患鍚堝垎鏋愩備笅闈㈡垜浠皢鏍規嵁鍦ㄥ疄璺典腑閬囧埌鐨勫疄闄呴棶棰樻潵璋堜竴涓嬬儲寮曚嬌鐢ㄧ殑璇尯錛屼互渚夸簬澶у鎺屾彙绱㈠紩寤虹珛鐨勬柟娉曘?<br /><br />1銆佷富閿氨鏄仛闆嗙儲寮?<br />銆銆榪欑鎯蟲硶絎旇呰涓烘槸鏋佺閿欒鐨勶紝鏄鑱氶泦绱㈠紩鐨勪竴縐嶆氮璐廣傝櫧鐒禨QL SERVER榛樿鏄湪涓婚敭涓婂緩绔嬭仛闆嗙儲寮曠殑銆?<br />銆銆閫氬父錛屾垜浠細鍦ㄦ瘡涓〃涓兘寤虹珛涓涓狪D鍒楋紝浠ュ尯鍒嗘瘡鏉℃暟鎹紝騫朵笖榪欎釜ID鍒楁槸鑷姩澧炲ぇ鐨勶紝姝ラ暱涓鑸負1銆傛垜浠殑榪欎釜鍔炲叕鑷姩鍖栫殑瀹炰緥涓殑鍒桮id灝辨槸濡傛銆傛鏃訛紝濡傛灉鎴戜滑灝嗚繖涓垪璁句負涓婚敭錛孲QL SERVER浼氬皢姝ゅ垪榛樿涓鴻仛闆嗙儲寮曘傝繖鏍峰仛鏈夊ソ澶勶紝灝辨槸鍙互璁╂偍鐨勬暟鎹湪鏁版嵁搴撲腑鎸夌収ID榪涜鐗╃悊鎺掑簭錛屼絾絎旇呰涓鴻繖鏍峰仛鎰忎箟涓嶅ぇ銆?<br />銆銆鏄捐屾槗瑙侊紝鑱氶泦绱㈠紩鐨勪紭鍔挎槸寰堟槑鏄劇殑錛岃屾瘡涓〃涓彧鑳芥湁涓涓仛闆嗙儲寮曠殑瑙勫垯錛岃繖浣垮緱鑱氶泦绱㈠紩鍙樺緱鏇村姞鐝嶈吹銆?<br />銆銆浠庢垜浠墠闈㈣皥鍒扮殑鑱氶泦绱㈠紩鐨勫畾涔夋垜浠彲浠ョ湅鍑猴紝浣跨敤鑱氶泦绱㈠紩鐨勬渶澶уソ澶勫氨鏄兘澶熸牴鎹煡璇㈣姹傦紝榪呴熺緝灝忔煡璇㈣寖鍥達紝閬垮厤鍏ㄨ〃鎵弿銆傚湪瀹為檯搴旂敤涓紝鍥犱負ID鍙鋒槸鑷姩鐢熸垚鐨勶紝鎴戜滑騫朵笉鐭ラ亾姣忔潯璁板綍鐨処D鍙鳳紝鎵浠ユ垜浠緢闅懼湪瀹炶返涓敤ID鍙鋒潵榪涜鏌ヨ銆傝繖灝變嬌璁㊣D鍙瘋繖涓富閿綔涓鴻仛闆嗙儲寮曟垚涓轟竴縐嶈祫婧愭氮璐廣傚叾嬈★紝璁╂瘡涓狪D鍙烽兘涓嶅悓鐨勫瓧孌典綔涓鴻仛闆嗙儲寮曚篃涓嶇鍚堚滃ぇ鏁扮洰鐨勪笉鍚屽兼儏鍐典笅涓嶅簲寤虹珛鑱氬悎绱㈠紩鈥濊鍒欙紱褰撶劧錛岃繖縐嶆儏鍐靛彧鏄拡瀵圭敤鎴風粡甯鎬慨鏀硅褰曞唴瀹癸紝鐗瑰埆鏄儲寮曢」鐨勬椂鍊欎細璐熶綔鐢紝浣嗗浜庢煡璇㈤熷害騫舵病鏈夊獎鍝嶃?<br />銆銆鍦ㄥ姙鍏嚜鍔ㄥ寲緋葷粺涓紝鏃犺鏄郴緇熼欏墊樉紺虹殑闇瑕佺敤鎴風鏀剁殑鏂囦歡銆佷細璁繕鏄敤鎴瘋繘琛屾枃浠舵煡璇㈢瓑浠諱綍鎯呭喌涓嬭繘琛屾暟鎹煡璇㈤兘紱諱笉寮瀛楁鐨勬槸鈥滄棩鏈熲濊繕鏈夌敤鎴鋒湰韜殑鈥滅敤鎴峰悕鈥濄?<br />銆銆閫氬父錛屽姙鍏嚜鍔ㄥ寲鐨勯欏典細鏄劇ず姣忎釜鐢ㄦ埛灝氭湭絳炬敹鐨勬枃浠舵垨浼氳銆傝櫧鐒舵垜浠殑where璇彞鍙互浠呬粎闄愬埗褰撳墠鐢ㄦ埛灝氭湭絳炬敹鐨勬儏鍐碉紝浣嗗鏋滄偍鐨勭郴緇熷凡寤虹珛浜嗗緢闀挎椂闂達紝騫朵笖鏁版嵁閲忓緢澶э紝閭d箞錛屾瘡嬈℃瘡涓敤鎴鋒墦寮棣栭〉鐨勬椂鍊欓兘榪涜涓嬈″叏琛ㄦ壂鎻忥紝榪欐牱鍋氭剰涔夋槸涓嶅ぇ鐨勶紝緇濆ぇ澶氭暟鐨勭敤鎴?涓湀鍓嶇殑鏂囦歡閮藉凡緇忔祻瑙堣繃浜嗭紝榪欐牱鍋氬彧鑳藉緬澧炴暟鎹簱鐨勫紑閿鑰屽凡銆備簨瀹炰笂錛屾垜浠畬鍏ㄥ彲浠ヨ鐢ㄦ埛鎵撳紑緋葷粺棣栭〉鏃訛紝鏁版嵁搴撲粎浠呮煡璇㈣繖涓敤鎴瘋繎3涓湀鏉ユ湭闃呰鐨勬枃浠訛紝閫氳繃鈥滄棩鏈熲濊繖涓瓧孌墊潵闄愬埗琛ㄦ壂鎻忥紝鎻愰珮鏌ヨ閫熷害銆傚鏋滄偍鐨勫姙鍏嚜鍔ㄥ寲緋葷粺宸茬粡寤虹珛鐨?騫達紝閭d箞鎮ㄧ殑棣栭〉鏄劇ず閫熷害鐞嗚涓婂皢鏄師鏉ラ熷害8鍊嶏紝鐢氳嚦鏇村揩銆?<br />銆銆鍦ㄨ繖閲屼箣鎵浠ユ彁鍒扳滅悊璁轟笂鈥濅笁瀛楋紝鏄洜涓哄鏋滄偍鐨勮仛闆嗙儲寮曡繕鏄洸鐩湴寤哄湪ID榪欎釜涓婚敭涓婃椂錛屾偍鐨勬煡璇㈤熷害鏄病鏈夎繖涔堥珮鐨勶紝鍗充嬌鎮ㄥ湪鈥滄棩鏈熲濊繖涓瓧孌典笂寤虹珛鐨勭儲寮曪紙闈炶仛鍚堢儲寮曪級銆備笅闈㈡垜浠氨鏉ョ湅涓涓嬪湪1000涓囨潯鏁版嵁閲忕殑鎯呭喌涓嬪悇縐嶆煡璇㈢殑閫熷害琛ㄧ幇錛?涓湀鍐呯殑鏁版嵁涓?5涓囨潯錛夛細 <br /><br />錛?錛変粎鍦ㄤ富閿笂寤虹珛鑱氶泦绱㈠紩錛屽茍涓斾笉鍒掑垎鏃墮棿孌碉細 </p> <pre>Select gid,fariqi,neibuyonghu,title from tgongwen</pre> <p>鐢ㄦ椂錛?28470姣錛堝嵆錛?28縐掞級 <br /><br />錛?錛夊湪涓婚敭涓婂緩绔嬭仛闆嗙儲寮曪紝鍦╢ariq涓婂緩绔嬮潪鑱氶泦绱㈠紩錛?</p> <pre>select gid,fariqi,neibuyonghu,title from Tgongwen where fariqi> dateadd(day,-90,getdate())</pre> <p>鐢ㄦ椂錛?3763姣錛?4縐掞級 <br /><br />錛?錛夊皢鑱氬悎绱㈠紩寤虹珛鍦ㄦ棩鏈熷垪錛坒ariqi錛変笂錛?</p> <pre>select gid,fariqi,neibuyonghu,title from Tgongwen where fariqi> dateadd(day,-90,getdate())</pre> <p>鐢ㄦ椂錛?423姣錛?縐掞級 <br /><br />銆銆铏界劧姣忔潯璇彞鎻愬彇鍑烘潵鐨勯兘鏄?5涓囨潯鏁版嵁錛屽悇縐嶆儏鍐電殑宸紓鍗存槸宸ㄥぇ鐨勶紝鐗瑰埆鏄皢鑱氶泦绱㈠紩寤虹珛鍦ㄦ棩鏈熷垪鏃剁殑宸紓銆備簨瀹炰笂錛屽鏋滄偍鐨勬暟鎹簱鐪熺殑鏈?000涓囧閲忕殑璇濓紝鎶婁富閿緩绔嬪湪ID鍒椾笂錛屽氨鍍忎互涓婄殑絎?銆?縐嶆儏鍐碉紝鍦ㄧ綉欏典笂鐨勮〃鐜板氨鏄秴鏃訛紝鏍規湰灝辨棤娉曟樉紺恒傝繖涔熸槸鎴戞憭寮僆D鍒椾綔涓鴻仛闆嗙儲寮曠殑涓涓渶閲嶈鐨勫洜绱犮傚緱鍑轟互涓婇熷害鐨勬柟娉曟槸錛氬湪鍚勪釜select璇彞鍓嶅姞錛?</p> <pre>declare @d datetime set @d=getdate()</pre> <p>騫跺湪select璇彞鍚庡姞錛?/p> <pre>select [璇彞鎵ц鑺辮垂鏃墮棿(姣)]=datediff(ms,@d,getdate())</pre> <p>2銆佸彧瑕佸緩绔嬬儲寮曞氨鑳芥樉钁楁彁楂樻煡璇㈤熷害 <br />銆銆浜嬪疄涓婏紝鎴戜滑鍙互鍙戠幇涓婇潰鐨勪緥瀛愪腑錛岀2銆?鏉¤鍙ュ畬鍏ㄧ浉鍚岋紝涓斿緩绔嬬儲寮曠殑瀛楁涔熺浉鍚岋紱涓嶅悓鐨勪粎鏄墠鑰呭湪fariqi瀛楁涓婂緩绔嬬殑鏄潪鑱氬悎绱㈠紩錛屽悗鑰呭湪姝ゅ瓧孌典笂寤虹珛鐨勬槸鑱氬悎绱㈠紩錛屼絾鏌ヨ閫熷害鍗存湁鐫澶╁¥涔嬪埆銆傛墍浠ワ紝騫墮潪鏄湪浠諱綍瀛楁涓婄畝鍗曞湴寤虹珛绱㈠紩灝辮兘鎻愰珮鏌ヨ閫熷害銆?<br />銆銆浠庡緩琛ㄧ殑璇彞涓紝鎴戜滑鍙互鐪嬪埌榪欎釜鏈夌潃1000涓囨暟鎹殑琛ㄤ腑fariqi瀛楁鏈?003涓笉鍚岃褰曘傚湪姝ゅ瓧孌典笂寤虹珛鑱氬悎绱㈠紩鏄啀鍚堥備笉榪囦簡銆傚湪鐜板疄涓紝鎴戜滑姣忓ぉ閮戒細鍙戝嚑涓枃浠訛紝榪欏嚑涓枃浠剁殑鍙戞枃鏃ユ湡灝辯浉鍚岋紝榪欏畬鍏ㄧ鍚堝緩绔嬭仛闆嗙儲寮曡姹傜殑錛氣滄棦涓嶈兘緇濆ぇ澶氭暟閮界浉鍚岋紝鍙堜笉鑳藉彧鏈夋瀬灝戞暟鐩稿悓鈥濈殑瑙勫垯銆傜敱姝ょ湅鏉ワ紝鎴戜滑寤虹珛鈥滈傚綋鈥濈殑鑱氬悎绱㈠紩瀵逛簬鎴戜滑鎻愰珮鏌ヨ閫熷害鏄潪甯擱噸瑕佺殑銆?<br /><br />3銆佹妸鎵鏈夐渶瑕佹彁楂樻煡璇㈤熷害鐨勫瓧孌甸兘鍔犺繘鑱氶泦绱㈠紩錛屼互鎻愰珮鏌ヨ閫熷害 <br />銆銆涓婇潰宸茬粡璋堝埌錛氬湪榪涜鏁版嵁鏌ヨ鏃墮兘紱諱笉寮瀛楁鐨勬槸鈥滄棩鏈熲濊繕鏈夌敤鎴鋒湰韜殑鈥滅敤鎴峰悕鈥濄傛棦鐒惰繖涓や釜瀛楁閮芥槸濡傛鐨勯噸瑕侊紝鎴戜滑鍙互鎶婁粬浠悎騫惰搗鏉ワ紝寤虹珛涓涓鍚堢儲寮曪紙compound index錛夈?<br />銆銆寰堝浜鴻涓哄彧瑕佹妸浠諱綍瀛楁鍔犺繘鑱氶泦绱㈠紩錛屽氨鑳芥彁楂樻煡璇㈤熷害錛屼篃鏈変漢鎰熷埌榪鋒儜錛氬鏋滄妸澶嶅悎鐨勮仛闆嗙儲寮曞瓧孌靛垎寮鏌ヨ錛岄偅涔堟煡璇㈤熷害浼氬噺鎱㈠悧錛熷甫鐫榪欎釜闂錛屾垜浠潵鐪嬩竴涓嬩互涓嬬殑鏌ヨ閫熷害錛堢粨鏋滈泦閮芥槸25涓囨潯鏁版嵁錛夛細錛堟棩鏈熷垪fariqi棣栧厛鎺掑湪澶嶅悎鑱氶泦绱㈠紩鐨勮搗濮嬪垪錛岀敤鎴峰悕neibuyonghu鎺掑湪鍚庡垪錛夛細 </p> <pre>錛?錛塻elect gid,fariqi,neibuyonghu,title from Tgongwen where fariqi>''2004-5-5'' </pre> <p>鏌ヨ閫熷害錛?513姣</p> <pre>錛?錛塻elect gid,fariqi,neibuyonghu,title from Tgongwen 銆銆銆銆銆銆銆銆銆銆銆銆where fariqi>''2004-5-5'' and neibuyonghu=''鍔炲叕瀹?'</pre> <p>鏌ヨ閫熷害錛?516姣</p> <pre>錛?錛塻elect gid,fariqi,neibuyonghu,title from Tgongwen where neibuyonghu=''鍔炲叕瀹?'</pre> <p>鏌ヨ閫熷害錛?0280姣 <br /><br />銆銆浠庝互涓婅瘯楠屼腑錛屾垜浠彲浠ョ湅鍒板鏋滀粎鐢ㄨ仛闆嗙儲寮曠殑璧峰鍒椾綔涓烘煡璇㈡潯浠跺拰鍚屾椂鐢ㄥ埌澶嶅悎鑱氶泦绱㈠紩鐨勫叏閮ㄥ垪鐨勬煡璇㈤熷害鏄嚑涔庝竴鏍風殑錛岀敋鑷蟲瘮鐢ㄤ笂鍏ㄩ儴鐨勫鍚堢儲寮曞垪榪樿鐣ュ揩錛堝湪鏌ヨ緇撴灉闆嗘暟鐩竴鏍風殑鎯呭喌涓嬶級錛涜屽鏋滀粎鐢ㄥ鍚堣仛闆嗙儲寮曠殑闈炶搗濮嬪垪浣滀負鏌ヨ鏉′歡鐨勮瘽錛岃繖涓儲寮曟槸涓嶈搗浠諱綍浣滅敤鐨勩傚綋鐒訛紝璇彞1銆?鐨勬煡璇㈤熷害涓鏍鋒槸鍥犱負鏌ヨ鐨勬潯鐩暟涓鏍鳳紝濡傛灉澶嶅悎绱㈠紩鐨勬墍鏈夊垪閮界敤涓婏紝鑰屼笖鏌ヨ緇撴灉灝戠殑璇濓紝榪欐牱灝變細褰㈡垚鈥滅儲寮曡鐩栤濓紝鍥犺屾ц兘鍙互杈懼埌鏈浼樸傚悓鏃訛紝璇瘋浣忥細鏃犺鎮ㄦ槸鍚︾粡甯鎬嬌鐢ㄨ仛鍚堢儲寮曠殑鍏朵粬鍒楋紝浣嗗叾鍓嶅鍒椾竴瀹氳鏄嬌鐢ㄦ渶棰戠箒鐨勫垪銆?<br /><br /><b>鍥涖佸叾浠栦功涓婃病鏈夌殑绱㈠紩浣跨敤緇忛獙鎬葷粨</b><br /><br />1銆佺敤鑱氬悎绱㈠紩姣旂敤涓嶆槸鑱氬悎绱㈠紩鐨勪富閿熷害蹇?<br />銆銆涓嬮潰鏄疄渚嬭鍙ワ細錛堥兘鏄彁鍙?5涓囨潯鏁版嵁錛?</p> <pre>select gid,fariqi,neibuyonghu,reader,title from Tgongwen where fariqi=''2004-9-16''</pre> <p>浣跨敤鏃墮棿錛?326姣</p> <pre>select gid,fariqi,neibuyonghu,reader,title from Tgongwen where gid<=250000</pre> <p>浣跨敤鏃墮棿錛?470姣 <br /><br />榪欓噷錛岀敤鑱氬悎绱㈠紩姣旂敤涓嶆槸鑱氬悎绱㈠紩鐨勪富閿熷害蹇簡榪?/4銆?<br /><br />2銆佺敤鑱氬悎绱㈠紩姣旂敤涓鑸殑涓婚敭浣渙rder by鏃墮熷害蹇紝鐗瑰埆鏄湪灝忔暟鎹噺鎯呭喌涓?</p> <pre>select gid,fariqi,neibuyonghu,reader,title from Tgongwen order by fariqi</pre> <p>鐢ㄦ椂錛?2936</p> <pre>select gid,fariqi,neibuyonghu,reader,title from Tgongwen order by gid</pre> <p>鐢ㄦ椂錛?8843 <br /><br />銆銆榪欓噷錛岀敤鑱氬悎绱㈠紩姣旂敤涓鑸殑涓婚敭浣渙rder by鏃訛紝閫熷害蹇簡3/10銆備簨瀹炰笂錛屽鏋滄暟鎹噺寰堝皬鐨勮瘽錛岀敤鑱氶泦绱㈠紩浣滀負鎺掑簭鍒楄姣斾嬌鐢ㄩ潪鑱氶泦绱㈠紩閫熷害蹇緱鏄庢樉鐨勫錛涜屾暟鎹噺濡傛灉寰堝ぇ鐨勮瘽錛屽10涓囦互涓婏紝鍒欎簩鑰呯殑閫熷害宸埆涓嶆槑鏄俱?<br /><br />3銆佷嬌鐢ㄨ仛鍚堢儲寮曞唴鐨勬椂闂存錛屾悳绱㈡椂闂翠細鎸夋暟鎹崰鏁翠釜鏁版嵁琛ㄧ殑鐧懼垎姣旀垚姣斾緥鍑忓皯錛岃屾棤璁鴻仛鍚堢儲寮曚嬌鐢ㄤ簡澶氬皯涓細 </p> <pre>select gid,fariqi,neibuyonghu,reader,title from Tgongwen where fariqi>''2004-1-1''</pre> <p>鐢ㄦ椂錛?343姣錛堟彁鍙?00涓囨潯錛?</p> <pre>select gid,fariqi,neibuyonghu,reader,title from Tgongwen where fariqi>''2004-6-6''</pre> <p>鐢ㄦ椂錛?170姣錛堟彁鍙?0涓囨潯錛?/p> <pre>select gid,fariqi,neibuyonghu,reader,title from Tgongwen where fariqi=''2004-9-16''</pre> <p>鐢ㄦ椂錛?326姣錛堝拰涓婂彞鐨勭粨鏋滀竴妯′竴鏍楓傚鏋滈噰闆嗙殑鏁伴噺涓鏍鳳紝閭d箞鐢ㄥぇ浜庡彿鍜岀瓑浜庡彿鏄竴鏍風殑錛?/p> <pre>select gid,fariqi,neibuyonghu,reader,title from Tgongwen 銆銆銆銆銆銆銆銆銆銆銆銆where fariqi>''2004-1-1'' and fariqi<''2004-6-6''</pre> <p>鐢ㄦ椂錛?280姣 <br /><br />4銆佹棩鏈熷垪涓嶄細鍥犱負鏈夊垎縐掔殑杈撳叆鑰屽噺鎱㈡煡璇㈤熷害 <br />銆銆涓嬮潰鐨勪緥瀛愪腑錛屽叡鏈?00涓囨潯鏁版嵁錛?004騫?鏈?鏃ヤ互鍚庣殑鏁版嵁鏈?0涓囨潯錛屼絾鍙湁涓や釜涓嶅悓鐨勬棩鏈燂紝鏃ユ湡綺劇‘鍒版棩錛涗箣鍓嶆湁鏁版嵁50涓囨潯錛屾湁5000涓笉鍚岀殑鏃ユ湡錛屾棩鏈熺簿紜埌縐掋?</p> <pre>select gid,fariqi,neibuyonghu,reader,title from Tgongwen 銆銆銆銆銆銆銆銆銆銆where fariqi>''2004-1-1'' order by fariqi</pre> <p>鐢ㄦ椂錛?390姣</p> <pre>select gid,fariqi,neibuyonghu,reader,title from Tgongwen 銆銆銆銆銆銆銆銆銆銆銆銆where fariqi<''2004-1-1'' order by fariqi</pre> <p>鐢ㄦ椂錛?453姣 <br /><br /><b>浜斻佸叾浠栨敞鎰忎簨欏?/b><br /><br />銆銆鈥滄按鍙澆鑸燂紝浜﹀彲瑕嗚垷鈥濓紝绱㈠紩涔熶竴鏍楓傜儲寮曟湁鍔╀簬鎻愰珮媯绱㈡ц兘錛屼絾榪囧鎴栦笉褰撶殑绱㈠紩涔熶細瀵艱嚧緋葷粺浣庢晥銆傚洜涓虹敤鎴峰湪琛ㄤ腑姣忓姞榪涗竴涓儲寮曪紝鏁版嵁搴撳氨瑕佸仛鏇村鐨勫伐浣溿傝繃澶氱殑绱㈠紩鐢氳嚦浼氬鑷寸儲寮曠鐗囥?<br />銆銆鎵浠ヨ錛屾垜浠寤虹珛涓涓滈傚綋鈥濈殑绱㈠紩浣撶郴錛岀壒鍒槸瀵硅仛鍚堢儲寮曠殑鍒涘緩錛屾洿搴旂簿鐩婃眰綺撅紝浠ヤ嬌鎮ㄧ殑鏁版嵁搴撹兘寰楀埌楂樻ц兘鐨勫彂鎸ャ?<br />銆銆褰撶劧錛屽湪瀹炶返涓紝浣滀負涓涓敖鑱岀殑鏁版嵁搴撶鐞嗗憳錛屾偍榪樿澶氭祴璇曚竴浜涙柟妗堬紝鎵懼嚭鍝鏂規鏁堢巼鏈楂樸佹渶涓烘湁鏁堛?<br /><br /><span style="COLOR: red" twffan="done"><p>鍚娉細姝ゆ枃绔犲紩鑷?a >http://www.vckbase.com/document/viewdoc/?id=1307</a><br />聽鎰熻絎旇呰姣旇緝閫忓交錛屽茍鍙傝冧簡鍙︿竴綃囷細<a target="_blank">绱㈠紩鐨勪嬌鐢ㄥ拰浼樺寲</a></p><p>聽鎬濇兂鍩烘湰涓鑷寸殑錛屾葷粨涓嬫潵錛屽鏃ユ湡寤虹珛鑱氶泦绱㈠紩姣旇緝鍚堥傘?/p><p>聽榪樻湁涓鏈夊叧绱㈠紩鎬ц兘鐨凪S鐨勬枃绔狅細<a target="_blank" name="indexedviews">浣跨敤 <font face="arial">SQL Server 2000</font> 绱㈠紩瑙嗗浘鎻愰珮鎬ц兘</a></p></span></p> <img src ="http://m.shnenglu.com/ivenher/aggbug/12162.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/ivenher/" target="_blank">鐖遍キ鐩?/a> 2006-09-08 13:38 <a href="http://m.shnenglu.com/ivenher/articles/12162.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>VC鏁版嵁搴撶紪紼嬬瑪璁幫紙涓錛?/title><link>http://m.shnenglu.com/ivenher/articles/4917.html</link><dc:creator>鐖遍キ鐩?/dc:creator><author>鐖遍キ鐩?/author><pubDate>Sun, 02 Apr 2006 14:51:00 GMT</pubDate><guid>http://m.shnenglu.com/ivenher/articles/4917.html</guid><wfw:comment>http://m.shnenglu.com/ivenher/comments/4917.html</wfw:comment><comments>http://m.shnenglu.com/ivenher/articles/4917.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://m.shnenglu.com/ivenher/comments/commentRss/4917.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/ivenher/services/trackbacks/4917.html</trackback:ping><description><![CDATA[ <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"> <span lang="EN-US" style="mso-bidi-font-family: 瀹嬩綋"> <span style="mso-list: Ignore">涓銆?/span> </span> <span lang="EN-US">VC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎻愪緵鐨勬暟鎹簱璁塊棶鎶鏈?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt"> <span lang="EN-US">ODBC API</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">銆?/span> <span lang="EN-US">MFC ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">銆?/span> <span lang="EN-US">DAO</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">銆?/span> <span lang="EN-US">OLE DB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">銆?/span> <span lang="EN-US">ADO</span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">璁塊棶閫熷害錛氫紶緇熺殑</span> <span lang="EN-US">ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">閫熷害杈冩參銆?/span> <span lang="EN-US">OLE DB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍜?/span> <span lang="EN-US"> ADO</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">閮芥槸鍩轟簬</span> <span lang="EN-US">COM</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎶鏈紝浣跨敤璇ユ妧鏈彲浠ョ洿鎺ヨ闂暟鎹簱鐨勯┍鍔ㄧ▼搴忥紝閫熷害澶уぇ鎻愰珮銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /?> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍙墿灞曟э細閫氳繃</span> <span lang="EN-US">OLE DB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍜?/span> <span lang="EN-US"> ActiveX</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎶鏈紝鍙互鍒╃敤</span> <span lang="EN-US">VC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎻愪緵鐨勫悇縐嶇粍浠訛紝鎺т歡鍜岀涓夋柟鎻愪緵鐨勭粍寤恒備粠鑰屽疄鐜板簲鐢ㄧ▼搴忕粍浠跺寲銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">璁塊棶涓嶅悓鏁版嵁婧愶細浼犵粺</span> <span lang="EN-US">ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍙兘璁塊棶鍏崇郴鏁版嵁搴撱?/span> <span lang="EN-US">VC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">涓彁渚?/span> <span lang="EN-US">OLD DB </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎶鏈彲浠ヨВ鍐寵闂銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt"> <span lang="EN-US" style="mso-bidi-font-family: 瀹嬩綋"> <span style="mso-list: Ignore">浜屻?/span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍑犵鎶鏈榪?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l1 level1 lfo2; tab-stops: list 18.0pt"> <span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"> <span style="mso-list: Ignore">1銆?span style="FONT: 7pt 'Times New Roman'">聽 </span></span> </span> <span lang="EN-US">ODBC API</span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎻愪緵涓涓氱敤鎺ュ彛錛屼負</span> <span lang="EN-US">ORACLE</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍜?/span> <span lang="EN-US">SQLSERVER</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">閮芥彁渚涗簡椹卞姩紼嬪簭銆傜敤鎴峰彲浠?/span> <span lang="EN-US">SQL</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">璇彞瀵規暟鎹簱榪涜鐩存帴鐨勫簳灞傚姛鑳芥搷浣溿備嬌鐢ㄦ椂搴斿寘鍚互涓嬪ご鏂囦歡銆?/span> <span lang="EN-US">鈥漇QL.H鈥?鈥漇QLEXT.H鈥?鈥漇QLTYPES.H鈥?</span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">浣跨敤姝ラ濡備笅錛?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">絎竴姝ワ細鍒嗛厤</span> <span lang="EN-US">ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐜錛屽垵濮嬪寲涓浜涘唴閮ㄧ粨鏋勩傚畬鎴愯姝ワ紝闇瑕佸垎閰嶄竴涓?/span> <span lang="EN-US">SQLHENV</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">綾誨瀷鐨勫彉閲忓湪</span> <span lang="EN-US">ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐜涓仛鍙ユ焺浣跨敤銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">絎簩姝ワ細涓哄皢瑕佷嬌鐢ㄧ殑姣忎竴涓暟鎹簮鍒嗛厤涓涓繛鎺ュ彞鏌勶紝鏈夊嚱鏁?/span> <span lang="EN-US">SQLALLocHandle</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛堬級瀹屾垚銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">絎笁姝ワ細浣跨敤</span> <span lang="EN-US">SQLConnect</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛堬級鎶婅繛鎺ュ彞鏌勪笌鏁版嵁搴撹繛鎺ワ紝鍙互鍏堥氳繃</span> <span lang="EN-US">SQLSetConnectAttr</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛堬級璁劇疆榪炴帴灞炴с?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">絎洓姝ワ細榪涜</span> <span lang="EN-US">SQL</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">璇彞鎿嶄綔銆傛搷浣滃畬灝卞彲浠ユ柇寮涓庢暟鎹簱鐨勮繛鎺ャ?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">絎簲姝ワ細閲婃斁</span> <span lang="EN-US">ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐜銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐗圭偣錛氬姛鑳藉己澶э紝鎻愪緵寮傛鎿嶄綔錛屼簨鍔″鐞嗙瓑楂樼駭鍔熻兘銆傜洰鍓嶆墍鏈夊叧緋繪暟鎹簱閮芥彁渚涗簡</span> <span lang="EN-US">ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐨勯┍鍔ㄧ▼搴忥紝浣跨敤寰堝箍娉涖?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">緙虹偣錛氬緢闅捐闂璞℃暟鎹簱鍜岄潪鍏崇郴鏁版嵁搴撱?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l1 level1 lfo2; tab-stops: list 18.0pt"> <span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"> <span style="mso-list: Ignore">2銆?span style="FONT: 7pt 'Times New Roman'">聽 </span></span> </span> <span lang="EN-US">MFC ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">綾?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">涓虹畝鍖栦嬌鐢?/span> <span lang="EN-US">ODBC API</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛?/span> <span lang="EN-US">VC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎻愪緵浜?/span> <span lang="EN-US">MFC ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">綾伙紝灝佽浜?/span> <span lang="EN-US">ODBC API</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">涓昏</span> <span lang="EN-US">MFC ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">綾誨涓嬶細</span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">CDatabase</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">綾伙細涓涓?/span> <span lang="EN-US">CDatabase</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀵硅薄琛ㄧず涓涓埌鏁版嵁婧愮殑榪炴帴錛岄氳繃瀹冨彲浠ユ搷浣滄暟鎹簮銆備竴鑸笉闇瑕佺洿鎺ヤ嬌鐢?/span> <span lang="EN-US">CDatabase</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀵硅薄錛屽洜涓?/span> <span lang="EN-US">CDecordSet</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀵硅薄鍙互瀹炵幇澶у鏁板姛鑳斤紝浣嗗湪榪涜浜嬪姟澶勭悊鏃訛紝</span> <span lang="EN-US">CDatabase</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">灝辮搗鍒板叧閿綔鐢ㄣ?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">CRecordSet</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">綾伙細涓涓?/span> <span lang="EN-US">CRecordSet</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀵硅薄浠h〃涓涓粠鏁版嵁婧愰夋嫨鐨勪竴緇勮褰曠殑闆嗗悎</span> <span lang="EN-US">-----</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">璁板綍闆嗐傝褰曢泦鏈変袱縐嶅艦寮忥細</span> <span lang="EN-US">snapshot</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍜?/span> <span lang="EN-US">dynaset</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">銆傚墠鑰呰〃紺烘槸闈欐佽鍥俱傚悗鑰呰〃紺鴻褰曢泦涓庡叾瀹冪敤鎴峰鏁版嵁搴撶殑鏇存柊淇濇寔鍚屾銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">CRecordView</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">綾伙細鏄湪絀洪棿涓樉紺烘暟鎹簱璁板綍鐨勮鍥俱傝繖縐嶈鍥炬槸鐩存帴榪炲埌涓涓?/span> <span lang="EN-US">CRecordSet</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀵硅薄鐨勬牸寮忚鍥俱備粬浠庝竴涓璇濇妯$増璧勬簮鍒涘緩銆傚茍灝?/span> <span lang="EN-US">CRecordSet</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀵硅薄鐨勫瓧孌墊樉紺哄湪瀵硅瘽妗嗘ā鐗堢殑鎺т歡閲屻傚璞″埄鐢?/span> <span lang="EN-US">DDX</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍜?/span> <span lang="EN-US">RFX</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鏈哄埗銆備嬌鏍煎紡涓婄殑鎺т歡鍜岃褰曢泦鐨勫瓧孌典箣闂存暟鎹Щ鍔ㄨ嚜鍔ㄥ寲銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">CDBException</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">綾伙細鐢?/span> <span lang="EN-US">Cexception</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">綾繪淳鐢燂紝浠?/span> <span lang="EN-US">3</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">涓戶鎵跨殑鍙橀噺鍙嶆槧瀵規暟鎹簱鎿嶄綔鏃剁殑寮傚父銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <span style="mso-spacerun: yes">聽</span>M_nRetCode:<span style="mso-spacerun: yes">聽 </span>ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">榪斿洖鐮併?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">M_strError: </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀛楃涓詫紝鎻忚堪閫犳垚鎶涘嚭寮傚父鐨勯敊璇師鍥犮?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">M_strStateNativeOrigin: </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀛楃涓詫紝鎻忚堪浠?/span> <span lang="EN-US">ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">閿欒鐮佽〃紺虹殑寮傚父閿欒銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l1 level1 lfo2; tab-stops: list 18.0pt"> <span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"> <span style="mso-list: Ignore">3銆?span style="FONT: 7pt 'Times New Roman'">聽 </span></span> </span> <span lang="EN-US">MFC DAO</span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">MFC DAO</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鏄井杞彁渚涚殑鐢ㄤ簬璁塊棶</span> <span lang="EN-US">Microsoft Jet</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鏁版嵁搴撴枃浠訛紙</span> <span lang="EN-US">*</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">銆?/span> <span lang="EN-US">Mdb</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛夌殑宸ュ叿銆傚綋鍙渶璁塊棶</span> <span lang="EN-US">Access</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鏁版嵁搴撴椂鐢ㄨ鎶鏈緢鏂逛究銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l1 level1 lfo2; tab-stops: list 18.0pt"> <span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"> <span style="mso-list: Ignore">4銆?span style="FONT: 7pt 'Times New Roman'">聽 </span></span> </span> <span lang="EN-US">OLE DB</span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">涓?/span> <span lang="EN-US">ODBC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎶鏈被浼鹼紝</span> <span lang="EN-US">OLE DB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">灞炰簬鏁版嵁搴撹闂妧鏈腑鐨勫簳灞傛帴鍙c?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐩存帴浣跨敤</span> <span lang="EN-US">OLEDB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">闇瑕佸ぇ閲忎唬鐮侊紝</span> <span lang="EN-US">VC</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">涓彁渚涗簡</span> <span lang="EN-US">ATL</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">妯$増錛?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">OLEDB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">妗嗘灦瀹氫箟浜嗗簲鐢ㄧ殑</span> <span lang="EN-US">3</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">涓熀鏈被銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鏁版嵁鎻愪緵紼嬪簭</span> <span lang="EN-US">Data Provider</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛?/span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎷ユ湁鑷繁鐨勬暟鎹茍浠ヨ〃鏍煎艦寮忔樉紺烘暟鎹殑搴旂敤紼嬪簭銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">浣跨敤鑰?/span> <span lang="EN-US">Consumers</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛氳瘯鐢?/span> <span lang="EN-US">OLEDB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎺ュ彛瀵瑰瓨鍌ㄥ湪鏁版嵁鎻愪緵紼嬪簭涓鏁版嵁榪涜鎺у埗鐨勫簲鐢ㄧ▼搴忋?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鏈嶅姟鎻愪緵紼嬪簭</span> <span lang="EN-US">ServiceProvider</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛氭槸鏁版嵁鎻愪緵紼嬪簭鍜屼嬌鐢ㄨ呯殑緇勫悎銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">浣跨敤</span> <span lang="EN-US">OLE DB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">緙栫▼鏃訛紝鐢ㄦ埛浣跨敤緇勪歡瀵硅薄寮鍙戠▼搴忥紝榪欎簺緇勪歡鍖呮嫭錛?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鏋氫婦鍣細鐢ㄤ簬鍒楀嚭鍙敤鐨勬暟鎹簮錛?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鏁版嵁婧愶細浠h〃鍗曠嫭鐨勬暟鎹拰鏈嶅姟鎻愪緵紼嬪簭錛岀敤浜庡垱寤哄璇濓紱</span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀵硅瘽錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 1">聽聽聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐢ㄤ簬鍒涘緩浜嬪姟鍜屽懡浠わ紱</span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">浜嬪姟錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 1">聽聽聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐢ㄤ簬灝嗗涓搷浣滃綊騫朵負鍗曚竴浜嬪姟澶勭悊錛?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍛戒護錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 1">聽聽聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐢ㄤ簬鍚戞暟鎹簮鍙戦佹枃鏈懡浠わ紙</span> <span lang="EN-US">SQL</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛夛紝榪斿洖琛岄泦錛?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">閿欒錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 1">聽聽聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐢ㄤ簬鑾峰緱閿欒淇℃伅銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l1 level1 lfo2; tab-stops: list 18.0pt"> <span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"> <span style="mso-list: Ignore">5銆?span style="FONT: 7pt 'Times New Roman'">聽 </span></span> </span> <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /?> <st1:city w:st="on"> <st1:place w:st="on"> <span lang="EN-US">ADO</span> </st1:place> </st1:city> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">ADO</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎶鏈槸鍩轟簬</span> <span lang="EN-US">OLE DB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐨勮闂帴鍙c傜戶鎵夸簡</span> <span lang="EN-US">OLEDB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐨勪紭鐐癸紝騫跺</span> <span lang="EN-US">OLEDB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐨勬帴鍙d綔浜嗗皝瑁咃紝瀹氫箟浜?/span> <span lang="EN-US">ADO</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀵硅薄錛屼嬌寮鍙戠畝鍖栥?/span> <span lang="EN-US">ADO</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">灞炰簬鏁版嵁搴撹闂殑楂樺眰鎺ュ彛銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">ADO</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍦ㄦ湇鍔″櫒搴旂敤鏂歸潰闈炲父鏈夋晥錛岀壒鍒槸鍔ㄦ佹湇鍔″櫒欏甸潰錛?/span> <span lang="EN-US">ASP</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛夌殑鏀寔銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">ADO</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">瀵硅薄緇撴瀯綾諱技浜?/span> <span lang="EN-US">OLEDB</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛屼絾騫朵笉渚濋潬瀵硅薄灞傛銆傚ぇ澶氭暟鎯呭喌鐢ㄦ埛鍙渶鍒涘緩騫朵嬌鐢ㄩ渶瑕佺殑瀵硅薄銆備笅闈㈢殑瀵硅薄綾葷粍鎴愪簡</span> <span lang="EN-US">ADO</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鎺ュ彛銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US"> <o:p>聽</o:p> </span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">Connection</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 1">聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐢ㄤ簬琛ㄧず涓庢暟鎹簱鐨勮繛鎺ワ紝浠ュ強澶勭悊涓浜涗簨鍔″拰鍛戒護銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">Command</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 1">聽聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐢ㄤ簬澶勭悊浼犻佺粰鏁版嵁婧愮殑鍛戒護銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">Recordset</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 1">聽聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐢ㄤ簬澶勭悊鏁版嵁鐨勮〃鏍奸泦錛?/span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍖呮嫭鑾峰彇鍜屼慨鏀規暟鎹?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">Field</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 2">聽聽聽聽聽聽聽聽聽聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐢ㄤ簬琛ㄧず璁板綍闆嗕腑鐨勫垪淇℃伅錛屽寘鎷垪鍊煎拰鍏朵粬淇℃伅銆?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">Parameter</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 1">聽聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鍦ㄤ紶閫佺粰鏁版嵁婧愮殑鍛戒護涔嬮棿浼犻掓暟鎹?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">Property</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 1">聽聽聽聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐢ㄤ簬鎿嶄綔鍦?/span> <span lang="EN-US">ADO</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">涓嬌鐢ㄧ殑鍏跺畠瀵硅薄鐨勮緇嗗睘鎬с?/span> </p> <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"> <span lang="EN-US">Errro</span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">錛?/span> <span lang="EN-US"> <span style="mso-tab-count: 2">聽聽聽聽聽聽聽聽聽 </span> </span> <span style="FONT-FAMILY: 瀹嬩綋; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">鐢ㄤ簬鑾峰彇鍙兘鍙戠敓鐨勮緇嗛敊璇俊鎭?/span> </p> <img src ="http://m.shnenglu.com/ivenher/aggbug/4917.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/ivenher/" target="_blank">鐖遍キ鐩?/a> 2006-04-02 22:51 <a href="http://m.shnenglu.com/ivenher/articles/4917.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Sybase 鏁版嵁婧愬緩绔?/title><link>http://m.shnenglu.com/ivenher/articles/1011.html</link><dc:creator>鐖遍キ鐩?/dc:creator><author>鐖遍キ鐩?/author><pubDate>Wed, 09 Nov 2005 08:19:00 GMT</pubDate><guid>http://m.shnenglu.com/ivenher/articles/1011.html</guid><wfw:comment>http://m.shnenglu.com/ivenher/comments/1011.html</wfw:comment><comments>http://m.shnenglu.com/ivenher/articles/1011.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.shnenglu.com/ivenher/comments/commentRss/1011.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/ivenher/services/trackbacks/1011.html</trackback:ping><description><![CDATA[1銆佹墦寮Sybase ASE OLE DB Congiguraton Manager.<BR>鏂板緩涓涓猟atasource鍙栧悕ssa<BR><IMG height=503 alt="sybase datasource.JPG" src="http://m.shnenglu.com/images/cppblog_com/ivenher/sybase%20datasource.JPG" width=512 border=0><BR><BR>server name涓烘満鍣ㄥ悕瀛椼俤atabase name 涓烘暟鎹簱鍚嶃傚叾浠栭粯璁ゃ?BR>鐒跺悗鐐?Test Connect嫻嬭瘯鏄惁鎴愬姛銆?BR><IMG height=384 alt="connect test.JPG" src="http://m.shnenglu.com/images/cppblog_com/ivenher/connect%20test.JPG" width=512 border=0><BR><BR>鎻愮ず鎴愬姛銆?img src ="http://m.shnenglu.com/ivenher/aggbug/1011.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/ivenher/" target="_blank">鐖遍キ鐩?/a> 2005-11-09 16:19 <a href="http://m.shnenglu.com/ivenher/articles/1011.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>ALTER TABLE http://m.shnenglu.com/ivenher/articles/829.html鐖遍キ鐩?/dc:creator>鐖遍キ鐩?/author>Mon, 24 Oct 2005 09:22:00 GMThttp://m.shnenglu.com/ivenher/articles/829.htmlhttp://m.shnenglu.com/ivenher/comments/829.htmlhttp://m.shnenglu.com/ivenher/articles/829.html#Feedback0http://m.shnenglu.com/ivenher/comments/commentRss/829.htmlhttp://m.shnenglu.com/ivenher/services/trackbacks/829.html
ALTER TABLE
 

銆銆閫氳繃鏇存敼銆佹坊鍔犮侀櫎鍘誨垪鍜岀害鏉燂紝鎴栬呴氳繃鍚敤鎴栫鐢ㄧ害鏉熷拰瑙﹀彂鍣ㄦ潵鏇存敼琛ㄧ殑瀹氫箟銆?BR>銆銆
銆銆璇硶
銆銆ALTER TABLE table
銆銆{ [ ALTER COLUMN column_name
銆銆 { new_data_type [ ( precision [ , scale ] ) ]
銆銆 [ COLLATE < collation_name > ]
銆銆 [ NULL | NOT NULL ]
銆銆 | {ADD | DROP } ROWGUIDCOL }
銆銆 ]
銆銆 | ADD
銆銆 { [ < column_definition > ]
銆銆 | column_name AS computed_column_expression
銆銆 } [ ,...n ]
銆銆 | [ WITH CHECK | WITH NOCHECK ] ADD
銆銆 { < table_constraint > } [ ,...n ]
銆銆 | DROP
銆銆 { [ CONSTRAINT ] constraint_name
銆銆 | COLUMN column } [ ,...n ]
銆銆 | { CHECK | NOCHECK } CONSTRAINT
銆銆 { ALL | constraint_name [ ,...n ] }
銆銆 | { ENABLE | DISABLE } TRIGGER
銆銆 { ALL | trigger_name [ ,...n ] }
銆銆}
銆銆
銆銆< column_definition > ::=
銆銆 { column_name data_type }
銆銆 [ [ DEFAULT constant_expression ] [ WITH VALUES ]
銆銆 | [ IDENTITY [ ( seed , increment ) [ NOT FOR REPLICATION ] ] ]
銆銆 ]
銆銆 [ ROWGUIDCOL ]
銆銆 [ COLLATE < collation_name > ]
銆銆 [ < column_constraint > ] [ ...n ]
銆銆
銆銆< column_constraint > ::=
銆銆 [ CONSTRAINT constraint_name ]
銆銆 { [ NULL | NOT NULL ]
銆銆 | [ { PRIMARY KEY | UNIQUE }
銆銆 [ CLUSTERED | NONCLUSTERED ]
銆銆 [ WITH FILLFACTOR = fillfactor ]
銆銆 [ ON { filegroup | DEFAULT } ]
銆銆 ]
銆銆 | [ [ FOREIGN KEY ]
銆銆 REFERENCES ref_table [ ( ref_column ) ]
銆銆 [ ON DELETE { CASCADE | NO ACTION } ]
銆銆 [ ON UPDATE { CASCADE | NO ACTION } ]
銆銆 [ NOT FOR REPLICATION ]
銆銆 ]
銆銆 | CHECK [ NOT FOR REPLICATION ]
銆銆 ( logical_expression )
銆銆 }
銆銆
銆銆< table_constraint > ::=
銆銆 [ CONSTRAINT constraint_name ]
銆銆 { [ { PRIMARY KEY | UNIQUE }
銆銆 [ CLUSTERED | NONCLUSTERED ]
銆銆 { ( column [ ,...n ] ) }
銆銆 [ WITH FILLFACTOR = fillfactor ]
銆銆 [ ON { filegroup | DEFAULT } ]
銆銆 ]
銆銆 | FOREIGN KEY
銆銆 [ ( column [ ,...n ] ) ]
銆銆 REFERENCES ref_table [ ( ref_column [ ,...n ] ) ]
銆銆 [ ON DELETE { CASCADE | NO ACTION } ]
銆銆 [ ON UPDATE { CASCADE | NO ACTION } ]
銆銆 [ NOT FOR REPLICATION ]
銆銆 | DEFAULT constant_expression
銆銆 [ FOR column ] [ WITH VALUES ]
銆銆 | CHECK [ NOT FOR REPLICATION ]
銆銆 ( search_conditions )
銆銆 }
銆銆
銆銆鍙傛暟
銆銆table
銆銆
銆銆鏄鏇存敼鐨勮〃鐨勫悕縐般傚鏋滆〃涓嶅湪褰撳墠鏁版嵁搴撲腑鎴栬呬笉灞炰簬褰撳墠鐢ㄦ埛鎵鎷ユ湁錛屽彲浠ユ樉寮忔寚瀹氭暟鎹簱鍜屾墍鏈夎呫?BR>銆銆
銆銆ALTER COLUMN
銆銆
銆銆鎸囧畾瑕佹洿鏀圭粰瀹氬垪銆傚鏋滃吋瀹圭駭鍒槸 65 鎴栧皬浜?65錛屽皢涓嶅厑璁鎬嬌鐢?ALTER COLUMN銆?BR>銆銆瑕佹洿鏀圭殑鍒椾笉鑳芥槸錛?
銆銆
銆銆鏁版嵁綾誨瀷涓?text銆乮mage銆乶text 鎴?timestamp 鐨勫垪銆?BR>銆銆
銆銆
銆銆琛ㄧ殑 ROWGUIDCOL 鍒椼?BR>銆銆
銆銆
銆銆璁$畻鍒楁垨鐢ㄤ簬璁$畻鍒椾腑鐨勫垪銆?BR>銆銆
銆銆
銆銆琚鍒跺垪銆?BR>銆銆
銆銆
銆銆鐢ㄥ湪绱㈠紩涓殑鍒楋紝闄ら潪璇ュ垪鏁版嵁綾誨瀷鏄?varchar銆乶varchar 鎴?varbinary錛屾暟鎹被鍨嬫病鏈夋洿鏀癸紝鑰屼笖鏂板垪澶у皬絳変簬鎴栬呭ぇ浜庢棫鍒楀ぇ灝忋?BR>銆銆
銆銆
銆銆鐢ㄥ湪鐢?CREATE STATISTICS 璇彞鍒涘緩鐨勭粺璁′腑鐨勫垪銆傞鍏堢敤 DROP STATISTICS 璇彞鍒犻櫎緇熻銆傜敱鏌ヨ浼樺寲鍣ㄨ嚜鍔ㄧ敓鎴愮殑緇熻浼氱敱 ALTER COLUMN 鑷姩闄ゅ幓銆?BR>銆銆
銆銆
銆銆鐢ㄥ湪 PRIMARY KEY 鎴?[FOREIGN KEY] REFERENCES 綰︽潫涓殑鍒椼?BR>銆銆
銆銆
銆銆鐢ㄥ湪 CHECK 鎴?UNIQUE 綰︽潫涓殑鍒楋紝闄ら潪鐢ㄥ湪 CHECK 鎴?UNIQUE 綰︽潫涓殑鍙彉闀垮害鍒楃殑闀垮害鍏佽鏇存敼銆?BR>銆銆
銆銆
銆銆鏈夌浉鍏寵仈鐨勯粯璁ゅ肩殑鍒楋紝闄ら潪鍦ㄤ笉鏇存敼鏁版嵁綾誨瀷鐨勬儏鍐典笅鍏佽鏇存敼鍒楃殑闀垮害銆佺簿搴︽垨灝忔暟浣嶆暟銆?
銆銆鏈変簺鏁版嵁綾誨瀷鐨勬洿鏀瑰彲鑳藉鑷存暟鎹殑鏇存敼銆備緥濡傦紝灝嗘暟鎹被鍨嬩負 nchar 鎴?nvarchar 鐨勫垪鏇存敼涓?char 鎴?varchar 綾誨瀷錛屽皢瀵艱嚧鎵╁睍瀛楃鐨勮漿鎹€傞檷浣庡垪鐨勭簿搴﹀拰灝忔暟浣嶆暟鍙兘瀵艱嚧鏁版嵁鎴柇銆?BR>銆銆column_name
銆銆
銆銆鏄鏇存敼銆佹坊鍔犳垨闄ゅ幓鐨勫垪鐨勫悕縐般傚浜庢柊鍒楋紝濡傛灉鏁版嵁綾誨瀷涓?timestamp錛宑olumn_name 鍙互鐪佺暐銆傚浜?timestamp 鏁版嵁綾誨瀷鐨勫垪錛屽鏋滄湭鎸囧畾 column_name錛屽皢浣跨敤鍚嶇О timestamp銆?BR>銆銆
銆銆new_data_type
銆銆
銆銆鏄鏇存敼鐨勫垪鐨勬柊鏁版嵁綾誨瀷銆傝鏇存敼鐨勫垪鐨?new_data_type 搴旂鍚堜笅鍒楀噯鍒欙細
銆銆
銆銆鍘熸潵鐨勬暟鎹被鍨嬪繀欏誨彲浠ラ殣寮忚漿鎹負鏂版暟鎹被鍨嬨?BR>銆銆
銆銆
銆銆new_data_type 綾誨瀷涓嶈兘涓?timestamp銆?BR>銆銆
銆銆
銆銆瀵?ALTER COLUMN錛孉NSI 絀洪粯璁ゅ煎緇堟墦寮錛涘鏋滄病鏈夋寚瀹氾紝鍒楀皢鍙負絀恒?BR>銆銆
銆銆
銆銆瀵?ALTER COLUMN錛孉NSI 濉厖濮嬬粓鎵撳紑銆?BR>銆銆
銆銆
銆銆濡傛灉瑕佹洿鏀圭殑鍒楁槸鏍囪瘑鍒楋紝new_data_type 蹇呴』鏄敮鎸佹爣璇嗗睘鎬х殑鏁版嵁綾誨瀷銆?BR>銆銆
銆銆
銆銆灝嗗拷鐣?SET ARITHABORT 鐨勫綋鍓嶈緗侫LTER TABLE 璇彞鐨勮涓哄鍚?ARITHABORT 閫夐」涓?ON 鏃朵竴鏍楓?
銆銆precision
銆銆
銆銆鏄寚瀹氭暟鎹被鍨嬬殑綺懼害銆?BR>銆銆scale
銆銆
銆銆鏄寚瀹氭暟鎹被鍨嬬殑灝忔暟浣嶆暟銆?BR>銆銆COLLATE < collation_name >
銆銆
銆銆涓烘洿鏀瑰垪鎸囧畾鏂扮殑鎺掑簭瑙勫垯銆傛帓搴忚鍒欏悕縐版棦鍙互鏄?Windows 鎺掑簭瑙勫垯鍚嶇О錛屼篃鍙互鏄?SQL 鎺掑簭瑙勫垯鍚嶇О銆?BR>銆銆COLLATE 瀛愬彞鍙兘鐢ㄤ簬鏇存敼鏁版嵁綾誨瀷涓?char銆乿archar銆乼ext銆乶char銆乶varchar 鍜?ntext 鐨勫垪鐨勬帓搴忚鍒欍傚鏋滄湭鎸囧畾錛屽垯姝ゅ垪閲囩敤鏁版嵁搴撶殑榛樿鎺掑簭瑙勫垯銆?BR>銆銆
銆銆鑻ユ弧瓚充笅鍒楁潯浠訛紝鍒?ALTER COLUMN 涓嶈兘鏇存敼鎺掑簭瑙勫垯錛?
銆銆
銆銆媯鏌ョ害鏉熴佸閿害鏉熸垨璁$畻鍒楀紩鐢ㄤ簡鏇存敼鍒椼?
銆銆
銆銆
銆銆鍦ㄦ鍒椾笂鍒涘緩浜嗙儲寮曘佺粺璁℃垨鍏ㄦ枃绱㈠紩銆傛洿鏀瑰垪鐨勬帓搴忚鍒欐椂錛岃鍒椾笂鑷姩鍒涘緩鐨勭粺璁″皢闄ゅ幓銆?BR>銆銆
銆銆
銆銆SCHEMABOUND 瑙嗗浘鎴栧嚱鏁板紩鐢ㄤ簡姝ゅ垪銆?
銆銆NULL | NOT NULL
銆銆
銆銆鎸囧畾璇ュ垪鏄惁鍙帴鍙楃┖鍊箋備笉鍏佽絀哄肩殑鍒楀彧鏈夊湪鎸囧畾浜嗛粯璁ゅ肩殑鎯呭喌涓嬶紝鎵嶈兘鐢?ALTER TABLE 璇彞鍚戣〃涓坊鍔犮傛坊鍔犲埌琛ㄤ腑鐨勬柊鍒楄涔堝厑璁哥┖鍊鹼紝瑕佷箞蹇呴』鎸囧畾榛樿鍊箋?BR>銆銆
銆銆濡傛灉鏂板垪鍏佽絀哄鹼紝鑰屼笖娌℃湁鎸囧畾榛樿鍊鹼紝閭d箞鏂板垪鍦ㄨ〃涓瘡涓琛岄兘鍖呭惈絀哄箋傚鏋滄柊鍒楀厑璁哥┖鍊煎茍涓旀寚瀹氫簡鏂板垪鐨勯粯璁ゅ鹼紝閭d箞鍙互浣跨敤 WITH VALUES 閫夐」鍦ㄨ〃涓墍鏈夌幇鏈夎鐨勬柊鍒椾腑瀛樺偍榛樿鍊箋?BR>銆銆
銆銆濡傛灉鏂板垪涓嶅厑璁哥┖鍊鹼紝閭d箞鏂板垪蹇呴』鍏鋒湁 DEFAULT 瀹氫箟錛岃屼笖鏂板垪鐨勬墍鏈夌幇鏈夎涓皢鑷姩瑁呰澆璇ラ粯璁ゅ箋?BR>銆銆
銆銆鍙湪 ALTER COLUMN 璇彞涓寚瀹?NULL 浠ヤ嬌 NOT NULL 鍒楀厑璁哥┖鍊鹼紝浣?PRIMARY KEY 綰︽潫涓殑鍒楅櫎澶栥傚彧鏈夊垪涓笉鍖呭惈絀哄兼椂錛孉LTER COLUMN 涓墠鍙寚瀹?NOT NULL銆傚繀欏誨皢絀哄兼洿鏂頒負闈炵┖鍊煎悗錛屾墠鍏佽鎵ц ALTER COLUMN NOT NULL 璇彞錛屾瘮濡傦細
銆銆
銆銆UPDATE MyTable SET NullCol = N'some_value' WHERE NullCol IS NULL
銆銆
銆銆ALTER TABLE MyTable ALTER COLUMN NullCOl NVARCHAR(20) NOT NULL
銆銆
銆銆濡傛灉 ALTER COLUMN 涓寚瀹氫簡 NULL 鎴?NOT NULL錛岄偅涔堝繀欏誨悓鏃舵寚瀹?new_data_type [(precision [, scale ])]銆傚鏋滀笉鏇存敼鏁版嵁綾誨瀷銆佺簿搴﹀拰灝忔暟浣嶆暟錛岃鎸囧畾鍒楃殑榪欎簺鍊肩殑褰撳墠鍊箋?BR>銆銆
銆銆[ {ADD | DROP} ROWGUIDCOL ]
銆銆
銆銆鎸囧畾鍦ㄦ寚瀹氬垪涓婃坊鍔犳垨闄ゅ幓 ROWGUIDCOL 灞炴с俁OWGUIDCOL 鏄竴涓叧閿瓧錛岃〃紺哄垪鏄鍏ㄥ眬鍞竴鏍囪瘑絎﹀垪銆傚浜庢瘡涓〃鍙兘鎸囨淳涓涓?uniqueidentifier 鍒椾綔涓?ROWGUIDCOL 鍒椼俁OWGUIDCOL 灞炴у彧鑳芥寚媧劇粰 uniqueidentifier 鍒椼?BR>銆銆
銆銆ROWGUIDCOL 灞炴у茍涓嶅己鍒跺垪涓墍瀛樺偍鍊肩殑鍞竴鎬с傝灞炴т篃涓嶄細涓烘彃鍏ュ埌琛ㄤ腑鐨勬柊琛岃嚜鍔ㄧ敓鎴愬箋傝嫢瑕佷負姣忓垪鐢熸垚鍞竴鍊鹼紝閭d箞鎴栬呭湪 INSERT 璇彞涓嬌鐢?NEWID 鍑芥暟錛屾垨鑰呭皢 NEWID 鍑芥暟鎸囧畾涓鴻鍒楃殑榛樿鍊箋?BR>銆銆
銆銆ADD
銆銆
銆銆鎸囧畾瑕佹坊鍔犱竴涓垨澶氫釜鍒楀畾涔夈佽綆楀垪瀹氫箟鎴栬呰〃綰︽潫銆?BR>銆銆
銆銆computed_column_expression
銆銆
銆銆鏄竴涓畾涔夎綆楀垪鐨勫肩殑琛ㄨ揪寮忋傝綆楀垪鏄茍涓嶇墿鐞嗗湴瀛樺偍鍦ㄨ〃涓殑铏氭嫙鍒楋紝璇ュ垪鐢ㄨ〃杈懼紡璁$畻寰楀嚭錛岃琛ㄨ揪寮忎嬌鐢ㄥ悓涓琛ㄤ腑鐨勫叾瀹冨垪銆備緥濡傦紝璁$畻鍒楃殑瀹氫箟鍙互鏄細cost AS price * qty銆傝〃杈懼紡鍙互鏄潪璁$畻鍒楃殑鍒楀悕銆佸父閲忋佸嚱鏁般佸彉閲忥紝涔熷彲浠ユ槸鐢ㄤ竴涓垨澶氫釜榪愮畻絎﹁繛鎺ョ殑涓婅堪鍏冪礌鐨勪換鎰忕粍鍚堛傝〃杈懼紡涓嶈兘涓哄瓙鏌ヨ銆?BR>銆銆
銆銆璁$畻鍒楀彲鐢ㄤ簬閫夋嫨鍒楄〃銆乄HERE 瀛愬彞銆丱RDER BY 瀛楀彞鎴栧叾瀹冧換浣曞彲浠ヤ嬌鐢ㄥ父瑙勮〃杈懼紡鐨勪綅緗紝浣嗕笅鍒楁儏鍐甸櫎澶栵細
銆銆
銆銆璁$畻鍒椾笉鑳界敤浣?DEFAULT 鎴?FOREIGN KEY 綰︽潫瀹氫箟錛屼篃涓嶈兘涓?NOT NULL 綰︽潫瀹氫箟涓璧蜂嬌鐢ㄣ備絾鏄紝濡傛灉璁$畻鍒楃敱鍏鋒湁紜畾鎬х殑琛ㄨ揪寮忓畾涔夛紝騫朵笖绱㈠紩鍒椾腑鍏佽璁$畻緇撴灉鐨勬暟鎹被鍨嬶紝鍒欏彲灝嗚鍒楃敤浣滅儲寮曚腑鐨勯敭鍒楋紝鎴栫敤浣?PRIMARY KEY 鎴?UNIQUE 綰︽潫鐨勪竴閮ㄥ垎銆?
銆銆渚嬪錛屽鏋滆〃涓湁鏁存暟鍒?a 鍜?b錛岄偅涔堣綆楀垪 a+b 涓婂彲寤虹珛绱㈠紩錛岃岃綆楀垪 a+DATEPART(dd, GETDATE()) 涓婂垯涓嶈兘錛屽洜涓鴻鍊煎皢鍦ㄥ悗緇皟鐢ㄦ椂鏇存敼銆?BR>銆銆
銆銆璁$畻鍒椾笉鑳戒綔涓?INSERT 鎴?UPDATE 璇彞鐨勭洰鏍囥?
銆銆
銆銆
銆銆璇存槑 鐢變簬琛ㄤ腑璁$畻鍒楁墍鐢ㄥ垪涓殑鍚勮鍙兘鏈変笉鍚岀殑鍊鹼紝鎵浠ヨ綆楀垪鐨勬瘡涓琛屽彲鑳芥湁涓嶅悓鐨勫箋?BR>銆銆
銆銆n
銆銆
銆銆鏄〃紺哄墠闈㈢殑欏瑰彲閲嶅 n 嬈$殑鍗犱綅絎︺?BR>銆銆
銆銆WITH CHECK | WITH NOCHECK
銆銆
銆銆鎸囧畾琛ㄤ腑鐨勬暟鎹槸鍚︾敤鏂版坊鍔犵殑鎴栭噸鏂板惎鐢ㄧ殑 FOREIGN KEY 鎴?CHECK 綰︽潫榪涜楠岃瘉銆傚鏋滄病鏈夋寚瀹氾紝瀵逛簬鏂扮害鏉燂紝鍋囧畾涓?WITH CHECK錛屽浜庨噸鏂板惎鐢ㄧ殑綰︽潫錛屽亣瀹氫負 WITH NOCHECK銆?BR>銆銆
銆銆WITH CHECK 鍜?WITH NOCHECK 瀛愬彞涓嶈兘鐢ㄤ簬 PRIMARY KEY 鍜?UNIQUE 綰︽潫銆?BR>銆銆
銆銆濡傛灉涓嶆兂鐢ㄦ柊 CHECK 鎴?FOREIGN KEY 綰︽潫瀵圭幇鏈夋暟鎹繘琛岄獙璇侊紝璇風敤 WITH NOCHECK錛岄櫎浜嗕釜鍒儏鍐碉紝涓嶅緩璁繖鏍蜂嬌鐢ㄣ傛柊綰︽潫灝嗗湪浠ュ悗鐨勬墍鏈夋洿鏂頒腑鐢熸晥銆備換浣曞湪娣誨姞綰︽潫鏃剁敱 WITH NOCHECK 鎶戝埗鐨勭害鏉熻繚瑙勯兘鍙兘瀵艱嚧灝嗘潵鐨勬洿鏂板け璐ワ紝濡傛灉榪欎簺鏇存柊鎿嶄綔瑕佹洿鏂扮殑琛屼腑鍖呭惈涓嶇鍚堢害鏉熸潯浠剁殑鏁版嵁銆?BR>銆銆
銆銆鏌ヨ浼樺寲鍣ㄤ笉鑰冭檻鐢?WITH NOCHECK 瀹氫箟鐨勭害鏉熴傚皢蹇界暐榪欎簺綰︽潫錛岀洿鍒頒嬌鐢?ALTER TABLE table CHECK CONSTRAINT ALL璇彞閲嶆柊鍚敤榪欎簺綰︽潫涓烘銆?BR>銆銆
銆銆DROP { [CONSTRAINT] constraint_name | COLUMN column_name }
銆銆
銆銆鎸囧畾浠庤〃涓垹闄?constraint_name 鎴栬?column_name銆傚鏋滃吋瀹圭駭鍒皬浜庢垨絳変簬 65錛屽皢涓嶅厑璁?DROP COLUMN銆傚彲浠ュ垪鍑哄涓垪鎴栫害鏉熴備笅闈㈢殑鍒椾笉鑳介櫎鍘伙細
銆銆
銆銆琚鍒跺垪銆?BR>銆銆
銆銆
銆銆鐢ㄥ湪绱㈠紩涓殑鍒椼?BR>銆銆
銆銆
銆銆鐢ㄥ湪 CHECK銆丗OREIGN KEY銆乁NIQUE 鎴?PRIMARY KEY 綰︽潫涓殑鍒椼?BR>銆銆
銆銆
銆銆鏈夌浉鍏寵仈鐨勯粯璁ゅ鹼紙鐢?DEFAULT 鍏抽敭瀛楀畾涔夛級鐨勫垪錛屾垨緇戝畾鍒伴粯璁ゅ璞$殑鍒椼?BR>銆銆
銆銆
銆銆緇戝畾鍒拌鍒欑殑鍒椼?
銆銆{ CHECK | NOCHECK} CONSTRAINT
銆銆
銆銆鎸囧畾鍚敤鎴栫鐢?constraint_name銆傚鏋滅鐢紝灝嗘潵鎻掑叆鎴栨洿鏂拌鍒楁椂灝嗕笉鐢ㄨ綰︽潫鏉′歡榪涜楠岃瘉銆傛閫夐」鍙兘涓?FOREIGN KEY 鍜?CHECK 綰︽潫涓璧蜂嬌鐢ㄣ?
銆銆
銆銆ALL
銆銆鎸囧畾浣跨敤 NOCHECK 閫夐」紱佺敤鎵鏈夌害鏉燂紝鎴栬呬嬌鐢?CHECK 閫夐」鍚敤鎵鏈夌害鏉熴?
銆銆{ENABLE | DISABLE} TRIGGER
銆銆
銆銆鎸囧畾鍚敤鎴栫鐢?trigger_name銆傚綋涓涓Е鍙戝櫒琚鐢ㄦ椂錛屽畠瀵硅〃鐨勫畾涔変緷鐒跺瓨鍦紱鐒惰岋紝褰撳湪琛ㄤ笂鎵ц INSERT銆乁PDATE 鎴?DELETE 璇彞鏃訛紝瑙﹀彂鍣ㄤ腑鐨勬搷浣滃皢涓嶆墽琛岋紝闄ら潪閲嶆柊鍚敤璇ヨЕ鍙戝櫒銆?
銆銆
銆銆ALL
銆銆鎸囧畾鍚敤鎴栫鐢ㄨ〃涓墍鏈夌殑瑙﹀彂鍣ㄣ?BR>銆銆
銆銆trigger_name
銆銆鎸囧畾瑕佸惎鐢ㄦ垨紱佺敤鐨勮Е鍙戝櫒鍚嶇О銆?
銆銆column_name data_type
銆銆
銆銆鏂板垪鐨勬暟鎹被鍨嬨俤ata_type 鍙互鏄換浣?Microsoft廬 SQL Server鈩?鏁版嵁綾誨瀷鎴栫敤鎴峰畾涔夋暟鎹被鍨嬨?BR>銆銆
銆銆DEFAULT
銆銆
銆銆鏄寚瀹氬垪榛樿鍊肩殑鍏抽敭瀛椼侱EFAULT 瀹氫箟鍙敤浜庝負琛ㄤ腑鐜版湁琛岀殑鏂板垪鎻愪緵鍊箋侱EFAULT 瀹氫箟涓嶈兘娣誨姞鍒板叿鏈?timestamp 鏁版嵁綾誨瀷銆両DENTITY 灞炴с佺幇鏈?DEFAULT 瀹氫箟鎴栫粦瀹氶粯璁ゅ肩殑鍒椼傚鏋滃垪宸叉湁榛樿鍊鹼紝蹇呴』闄ゅ幓鏃ч粯璁ゅ煎悗鎵嶈兘娣誨姞鏂伴粯璁ゅ箋備負鍚?SQL Server 鍏堝墠鐗堟湰淇濇寔鍏煎鎬э紝鍚?DEFAULT 璧嬩簣綰︽潫鍚嶆槸鍙兘鐨勩?BR>銆銆
銆銆IDENTITY
銆銆
銆銆鎸囧畾鏂板垪鏄爣璇嗗垪銆傚湪琛ㄤ腑娣誨姞鏂拌鏃訛紝SQL Server 涓哄垪鎻愪緵涓涓敮涓鐨勫閲忓箋傛爣璇嗗垪閫氬父涓?PRIMARY KEY 綰︽潫涓璧風敤浣滆〃鐨勫敮涓琛屾爣璇嗙銆侷DENTITY 灞炴у彲璧嬩簣 tinyint銆乻mallint銆乮nt銆乥igint銆乨ecimal(p,0) 鎴栬?numeric(p,0) 鍒椼傚浜庢瘡涓〃鍙兘鍒涘緩涓涓爣璇嗗垪銆侱EFAULT 鍏抽敭瀛楀拰緇戝畾榛樿鍊間笉鑳界敤浜庢爣璇嗗垪銆傝涔堢瀛愬拰澧為噺閮藉悓鏃舵寚瀹氾紝瑕佷箞閮戒笉鎸囧畾銆傚鏋滀簩鑰呴兘鏈寚瀹氾紝鍒欏彇榛樿鍊?(1,1)銆?
銆銆
銆銆Seed
銆銆鏄敤浜庤〃涓墍瑁呰澆鐨勭涓琛岀殑鍊箋?BR>銆銆
銆銆Increment
銆銆鏄坊鍔犲埌鍓嶄竴琛岀殑鏍囪瘑鍊肩殑澧為噺鍊箋?
銆銆NOT FOR REPLICATION
銆銆
銆銆鎸囧畾褰撳鍒剁櫥褰曪紙濡?sqlrepl錛夊悜琛ㄤ腑鎻掑叆鏁版嵁鏃訛紝涓嶅己鍒?IDENTITY 灞炴с備篃鍙綰︽潫鎸囧畾 NOT FOR REPLICATION銆傚綋澶嶅埗鐧誨綍鍚戣〃涓彃鍏ユ暟鎹椂錛屼笉媯鏌ョ害鏉熸潯浠躲?BR>銆銆
銆銆CONSTRAINT
銆銆
銆銆鎸囧畾 PRIMARY KEY銆乁NIQUE銆丗OREIGN KEY 鎴?CHECK 綰︽潫鐨勫紑濮嬶紝鎴栬呮寚瀹?DEFAULT 瀹氫箟鐨勫紑濮嬨?BR>銆銆
銆銆constrain_name
銆銆
銆銆鏄柊綰︽潫銆傜害鏉熺殑鍚嶇О蹇呴』絎﹀悎鏍囪瘑絎﹁鍒欙紝浣嗗叾鍚嶇О鐨勯瀛楃涓嶈兘涓?#銆傚鏋滄病鏈夋彁渚?constraint_name錛岀害鏉熶嬌鐢ㄧ郴緇熺敓鎴愮殑鍚嶇О銆?BR>銆銆
銆銆PRIMARY KEY
銆銆
銆銆鏄氳繃鍞竴绱㈠紩瀵圭粰瀹氱殑涓鍒楁垨澶氬垪寮哄埗瀹炰綋瀹屾暣鎬х殑綰︽潫銆傚姣忎釜琛ㄥ彧鑳藉垱寤轟竴涓?PRIMARY KEY 綰︽潫銆?BR>銆銆
銆銆UNIQUE
銆銆
銆銆鏄氳繃鍞竴绱㈠紩涓虹粰瀹氱殑涓鍒楁垨澶氬垪鎻愪緵瀹炰綋瀹屾暣鎬х殑綰︽潫銆?BR>銆銆
銆銆CLUSTERED | NONCLUSTERED
銆銆
銆銆鎸囧畾涓?PRIMARY KEY 鎴?UNIQUE 綰︽潫鍒涘緩鑱氶泦鎴栭潪鑱氶泦绱㈠紩銆侾RIMARY KEY 綰︽潫榛樿涓?CLUSTERED錛沀NIQUE 綰︽潫榛樿涓?NONCLUSTERED銆?BR>銆銆
銆銆濡傛灉琛ㄤ腑宸插瓨鍦ㄨ仛闆嗙害鏉熸垨绱㈠紩錛岄偅涔堝湪 ALTER TABLE 涓氨涓嶈兘鎸囧畾 CLUSTERED銆傚鏋滆〃涓凡瀛樺湪鑱氶泦綰︽潫鎴栫儲寮曪紝PRIMARY KEY 綰︽潫榛樿涓?NONCLUSTERED銆?BR>銆銆
銆銆WITH FILLFACTOR = fillfactor
銆銆
銆銆鎸囧畾 SQL Server 瀛樺偍绱㈠紩鏁版嵁鏃舵瘡涓儲寮曢〉鐨勫厖婊$▼搴︺傜敤鎴鋒寚瀹氱殑 fillfactor 鍙栧艱寖鍥翠粠 1 鍒?100銆傚鏋滄病鏈夋寚瀹氾紝閭d箞榛樿鍊間負 0銆傚垱寤虹儲寮曟椂錛宖illfactor 鍊艱秺浣庯紝涓嶅繀鍒嗛厤鏂扮┖闂村嵆鍙坊鍔犵殑鏂扮儲寮曟潯鐩殑鍙敤絀洪棿灝辮秺澶氥?BR>銆銆
銆銆ON {filegroup | DEFAULT}
銆銆
銆銆鎸囧畾涓虹害鏉熷垱寤虹殑绱㈠紩鐨勫瓨鍌ㄤ綅緗傚鏋滄寚瀹氫簡 filegroup錛岀儲寮曞皢鍦ㄨ鏂囦歡緇勫唴鍒涘緩銆傚鏋滄寚瀹氫簡 DEFAULT錛岀儲寮曞皢鍦ㄩ粯璁ゆ枃浠剁粍鍐呭垱寤恒傚鏋滄湭鎸囧畾 ON錛岀儲寮曞皢鍦ㄨ〃鎵鍦ㄧ殑鏂囦歡緇勫唴鍒涘緩銆傚綋涓?PRIMARY KEY 鎴?UNIQUE 綰︽潫娣誨姞鑱氶泦绱㈠紩鏃訛紝濡傛灉鎸囧畾浜?ON錛岄偅涔堝垱寤鴻仛闆嗙儲寮曟椂鏁翠釜琛ㄩ兘灝嗙Щ鍒版寚瀹氱殑鏂囦歡緇勪腑銆?BR>銆銆
銆銆鍦ㄨ繖閲岋紝DEFAULT 涓嶆槸涓涓叧閿瓧銆侱EFAULT 鏄粯璁ゆ枃浠剁粍鐨勬爣璇嗙錛屽繀欏葷敤絎﹀彿鐣屽畾錛屽 ON "DEFAULT" 鎴?ON [DEFAULT]銆?BR>銆銆
銆銆FOREIGN KEY...REFERENCES
銆銆
銆銆鏄負鍒椾腑鏁版嵁鎻愪緵寮曠敤瀹屾暣鎬х殑綰︽潫銆侳OREIGN KEY 綰︽潫瑕佹眰鍒椾腑鐨勬瘡涓煎湪琚紩鐢ㄨ〃鐨勬寚瀹氬垪涓兘瀛樺湪銆?BR>銆銆
銆銆ref_table
銆銆
銆銆鏄?FOREIGN KEY 綰︽潫鎵寮曠敤鐨勮〃銆?BR>銆銆
銆銆ref_column
銆銆
銆銆鏄柊 FOREIGN KEY 綰︽潫鎵寮曠敤鐨勪竴鍒楁垨澶氬垪錛堢疆浜庢嫭鍙蜂腑錛夈?BR>銆銆
銆銆ON DELETE {CASCADE | NO ACTION}
銆銆
銆銆鎸囧畾褰撹〃涓鏇存敼鐨勮鍏鋒湁寮曠敤鍏崇郴錛屽茍涓旇琛屾墍寮曠敤鐨勮浠庣埗琛ㄤ腑鍒犻櫎鏃訛紝瑕佸琚洿鏀硅閲囧彇鐨勬搷浣溿傞粯璁よ緗負 NO ACTION銆?
銆銆
銆銆濡傛灉鎸囧畾 CASCADE錛屽垯浠庣埗琛ㄤ腑鍒犻櫎琚紩鐢ㄨ鏃訛紝涔熷皢浠庡紩鐢ㄨ〃涓垹闄ゅ紩鐢ㄨ銆傚鏋滄寚瀹?NO ACTION錛孲QL Server 灝嗕駭鐢熶竴涓敊璇茍鍥炴粴鐖惰〃涓殑琛屽垹闄ゆ搷浣溿?BR>銆銆
銆銆濡傛灉琛ㄤ腑宸插瓨鍦?ON DELETE 鐨?INSTEAD OF 瑙﹀彂鍣紝閭d箞灝變笉鑳藉畾涔?ON DELETE 鐨凜ASCADE 鎿嶄綔銆?BR>銆銆
銆銆渚嬪錛屽湪 Northwind 鏁版嵁搴撲腑錛孫rders 琛ㄥ拰 Customers 琛ㄤ箣闂存湁寮曠敤鍏崇郴銆侽rders.CustomerID 澶栭敭寮曠敤 Customers.CustomerID 涓婚敭銆?BR>銆銆
銆銆濡傛灉瀵?Customers 琛ㄧ殑鏌愯鎵ц DELETE 璇彞錛屽茍涓斾負 Orders.CustomerID 鎸囧畾 ON DELETE CASCADE 鎿嶄綔錛屽垯 SQL Server 灝嗗湪 Orders 琛ㄤ腑媯鏌ユ槸鍚︽湁涓庤鍒犻櫎鐨勮鐩稿叧鐨勪竴琛屾垨澶氳銆傚鏋滃瓨鍦ㄧ浉鍏寵錛岄偅涔?Orders 琛ㄤ腑鐨勭浉鍏寵灝嗛殢 Customers 琛ㄤ腑鐨勮寮曠敤琛屼竴鍚屽垹闄ゃ?BR>銆銆
銆銆鍙嶄箣錛屽鏋滄寚瀹?NO ACTION錛岃嫢鍦?Orders 琛ㄤ腑鑷沖皯鏈変竴琛屽紩鐢?Customers 琛ㄤ腑瑕佸垹闄ょ殑琛岋紝鍒?SQL Server 灝嗕駭鐢熶竴涓敊璇茍鍥炴粴 Customers 琛ㄤ腑鐨勫垹闄ゆ搷浣溿?BR>銆銆
銆銆ON UPDATE {CASCADE | NO ACTION}
銆銆
銆銆鎸囧畾褰撹〃涓鏇存敼鐨勮鍏鋒湁寮曠敤鍏崇郴錛屽茍涓旇琛屾墍寮曠敤鐨勮鍦ㄧ埗琛ㄤ腑鏇存柊鏃訛紝瑕佸琚洿鏀硅閲囧彇鐨勬搷浣溿傞粯璁よ緗負 NO ACTION銆?
銆銆
銆銆濡傛灉鎸囧畾 CASCADE錛屽垯鍦ㄧ埗琛ㄤ腑鏇存柊琚紩鐢ㄨ鏃訛紝涔熷皢鍦ㄥ紩鐢ㄨ〃涓洿鏂板紩鐢ㄨ銆傚鏋滄寚瀹?NO ACTION錛孲QL Server 灝嗕駭鐢熶竴涓敊璇茍鍥炴粴鐖惰〃涓殑琛屾洿鏂版搷浣溿?BR>銆銆
銆銆濡傛灉琛ㄤ腑宸插瓨鍦?ON DELETE 鐨?INSTEAD OF 瑙﹀彂鍣紝閭d箞灝變笉鑳藉畾涔?ON DELETE 鐨凜ASCADE 鎿嶄綔銆?BR>銆銆
銆銆渚嬪錛屽湪 Northwind 鏁版嵁搴撲腑錛孫rders 琛ㄥ拰 Customers 琛ㄤ箣闂存湁寮曠敤鍏崇郴銆侽rders.CustomerID 澶栭敭寮曠敤 Customers.CustomerID 涓婚敭銆?BR>銆銆
銆銆濡傛灉瀵?Customers 琛ㄧ殑鏌愯鎵ц UPDATE 璇彞錛屽茍涓斾負 Orders.CustomerID 鎸囧畾 ON UPDATE CASCADE 鎿嶄綔錛屽垯 SQL Server 灝嗗湪 Orders 琛ㄤ腑媯鏌ユ槸鍚︽湁涓庤鏇存柊琛岀浉鍏崇殑涓琛屾垨澶氳銆傚鏋滃瓨鍦ㄧ浉鍏寵錛岄偅涔?Orders 琛ㄤ腑鐨勭浉鍏寵灝嗛殢 Customers 琛ㄤ腑鐨勮寮曠敤琛屼竴鍚屾洿鏂般?BR>銆銆
銆銆鍙嶄箣錛屽鏋滄寚瀹氫簡 NO ACTION錛岃嫢鍦?Orders 琛ㄤ腑鑷沖皯瀛樺湪涓琛屽紩鐢?Customers 琛ㄤ腑瑕佹洿鏂扮殑琛岋紝閭d箞 SQL Server 灝嗗紩鍙戜竴涓敊璇茍鍥炴粴 Customers 琛ㄤ腑鐨勬洿鏂版搷浣溿?BR>銆銆
銆銆[ASC | DESC]
銆銆
銆銆鎸囧畾鍔犲叆鍒拌〃綰︽潫涓殑涓鍒楁垨澶氬垪鐨勬帓搴忔搴忋傞粯璁よ緗負 ASC銆?BR>銆銆
銆銆WITH VALUES
銆銆
銆銆鎸囧畾鍦ㄦ坊鍔犲埌鐜版湁琛岀殑鏂板垪涓瓨鍌?DEFAULT constant_expression 涓墍緇欏畾鐨勫箋傚彧鏈夊湪 ADD 鍒楀瓙鍙ヤ腑鎸囧畾浜?DEFAULT 鐨勬儏鍐典笅錛屾墠鑳戒嬌鐢?WITH VALUES銆傚鏋滆娣誨姞鐨勫垪鍏佽絀哄間笖鎸囧畾浜?WITH VALUES錛岄偅涔堝皢鍦ㄧ幇鏈夎鐨勬柊鍒椾腑瀛樺偍榛樿鍊箋傚鏋滄病鏈夋寚瀹?WITH VALUES 涓斿垪鍏佽絀哄鹼紝閭d箞灝嗗湪鐜版湁琛岀殑鏂板垪涓瓨鍌?NULL 鍊箋傚鏋滄柊鍒椾笉鍏佽絀哄鹼紝閭d箞涓嶈鏄惁鎸囧畾 WITH VALUES錛岄兘灝嗗湪鐜版湁琛岀殑鏂板垪涓瓨鍌ㄩ粯璁ゅ箋?BR>銆銆
銆銆column[,...n]
銆銆
銆銆鏄柊綰︽潫鎵鐢ㄧ殑涓鍒楁垨澶氬垪錛堢疆浜庢嫭鍙蜂腑錛夈?BR>銆銆
銆銆constant_expression
銆銆
銆銆鏄敤浣滃垪鐨勯粯璁ゅ肩殑瀛楅潰鍊箋丯ULL 鎴栬呯郴緇熷嚱鏁般?BR>銆銆
銆銆FOR column
銆銆
銆銆鎸囧畾涓庤〃綰?DEFAULT 瀹氫箟鐩稿叧鑱旂殑鍒椼?BR>銆銆
銆銆CHECK
銆銆
銆銆鏄氳繃闄愬埗鍙緭鍏ュ埌涓鍒楁垨澶氬垪涓殑鍙兘鍊煎己鍒跺煙瀹屾暣鎬х殑綰︽潫銆?BR>銆銆
銆銆logical_expression
銆銆
銆銆鏄敤浜?CHECK 綰︽潫鐨勮繑鍥?TRUE 鎴?FALSE 鐨勯昏緫琛ㄨ揪寮忋傜敤浜?CHECK 綰︽潫鐨?Logical_expression 涓嶈兘寮曠敤鍏跺畠琛紝浣嗗彲寮曠敤鍚屼竴琛ㄤ腑鍚屼竴琛岀殑鍏跺畠鍒椼?BR>銆銆
銆銆娉ㄩ噴
銆銆鑻ヨ娣誨姞鏂版暟鎹錛岃浣跨敤 INSERT 璇彞銆傝嫢瑕佸垹闄ゆ暟鎹錛岃浣跨敤 DELETE 鎴?TRUNCATE TABLE 璇彞銆傝嫢瑕佹洿鏀圭幇鏈夎涓殑鍊鹼紝璇蜂嬌鐢?UPDATE 璇彞銆?BR>銆銆
銆銆ALTER TABLE 璇彞鎸囧畾鐨勬洿鏀瑰皢绔嬪嵆瀹炵幇銆傚鏋滆繖浜涙洿鏀歸渶瑕佷慨鏀硅〃涓殑琛岋紝ALTER TABLE 灝嗘洿鏂拌繖浜涜銆侫LTER TABLE 灝嗚幏鍙栬〃涓婄殑鏋舵瀯淇敼閿侊紝浠ョ‘淇濆湪鏇存敼鏈熼棿鍏跺畠榪炴帴涓嶈兘寮曠敤璇ヨ〃錛堢敋鑷充笉鑳藉紩鐢ㄥ叾鍏冩暟鎹級銆傚琛ㄨ繘琛岀殑鏇存敼灝嗚褰曚簬鏃ュ織涓紝騫朵笖鍙互瀹屽叏鎭㈠銆傚獎鍝嶉潪甯稿ぇ鐨勮〃涓墍鏈夎鐨勬洿鏀癸紝姣斿闄ゅ幓涓鍒楁垨鑰呯敤榛樿鍊兼坊鍔?NOT NULL 鍒楋紝鍙兘闇瑕佽緝闀挎椂闂存墠鑳藉畬鎴愶紝騫朵細鐢熸垚澶ч噺鏃ュ織璁板綍銆傚鍚屽獎鍝嶅ぇ閲忚鐨?INSERT銆乁PDATE 鎴栬?DELETE 璇彞涓鏍鳳紝榪欎竴綾?ALTER TABLE 璇彞涔熷簲灝忓績浣跨敤銆?BR>銆銆
銆銆濡傛灉榪囩▼楂橀熺紦瀛樹腑瀛樺湪寮曠敤璇ヨ〃鐨勬墽琛岃鍒掞紝ALTER TABLE 浼氬皢榪欎簺鎵ц璁″垝鏍囪涓轟笅嬈℃墽琛屾椂閲嶆柊緙栬瘧銆?BR>銆銆
銆銆濡傛灉 ALTER TABLE 璇彞鎸囧畾鏇存敼鍏跺畠琛ㄦ墍寮曠敤鐨勫垪鍊鹼紝閭d箞鏍規嵁寮曠敤琛ㄤ腑 ON UPDATE 鎴栬?ON DELETE 鎵鎸囧畾鐨勬搷浣滐紝灝嗗彂鐢熶互涓嬩袱涓簨浠朵箣涓銆?
銆銆
銆銆濡傛灉鍦ㄥ紩鐢ㄨ〃涓病鏈夋寚瀹氬兼垨鎸囧畾浜?NO ACTION錛堥粯璁ゅ鹼級錛岄偅涔?ALTER TABLE 璇彞瀵艱嚧鐨勬洿鏀圭埗琛ㄤ腑琚紩鐢ㄥ垪鐨勬搷浣滃皢鍥炴粴錛屽茍涓?SQL Server 灝嗗紩鍙戜竴涓敊璇?BR>銆銆
銆銆
銆銆濡傛灉鍦ㄥ紩鐢ㄨ〃涓寚瀹氫簡 CASCADE錛岄偅涔堢敱 ALTER TABLE 璇彞瀵艱嚧鐨勫鐖惰〃鐨勬洿鏀瑰皢搴旂敤浜庣埗琛ㄥ強鍏剁浉鍏寵〃銆?
銆銆娣誨姞 sql_variant 鍒楃殑 ALTER TABLE 璇彞浼氱敓鎴愪笅鍒楄鍛婏細
銆銆
銆銆The total row size (xx) for table 'yy' exceeds the maximum number of bytes per row (8060). Rows that exceed the maximum number of bytes will not be added.
銆銆鍥犱負 sql_variant 鐨勬渶澶ч暱搴︿負 8016 涓瓧鑺傦紝鎵浠ヤ駭鐢熻璀﹀憡銆傚綋鏌?sql_variant 鍒楁墍鍚兼帴榪戞渶澶ч暱搴︽椂錛屽嵆浼氳秴榪囪闀垮害鐨勬渶澶у瓧鑺傞檺鍒躲?BR>銆銆
銆銆ALTER TABLE 璇彞瀵瑰叿鏈夋灦鏋勭粦瀹氳鍥劇殑琛ㄦ墽琛屾椂錛屾墍鍙楅檺鍒朵笌褰撳墠鍦ㄦ洿鏀瑰叿鏈夌畝鍗曠儲寮曠殑琛ㄦ椂鎵鍙楃殑闄愬埗鐩稿悓銆傛坊鍔犲垪鏄厑璁哥殑銆備絾鏄紝涓嶅厑璁稿垹闄ゆ垨鏇存敼鍙備笌鏋舵瀯緇戝畾瑙嗗浘鐨勮〃涓殑鍒椼傚鏋?ALTER TABLE 璇彞瑕佹眰鏇存敼鐢ㄥ湪鏋舵瀯緇戝畾瑙嗗浘涓殑鍒楋紝鏇存敼鎿嶄綔灝嗗け璐ワ紝騫朵笖 SQL Server 灝嗗紩鍙戜竴鏉¢敊璇俊鎭傛湁鍏?SCHEMABINDING 鍜岀儲寮曡鍥劇殑鏇村淇℃伅錛岃鍙傝 CREATE VIEW銆?BR>銆銆
銆銆鍒涘緩寮曠敤琛ㄧ殑鏋舵瀯緇戝畾瑙嗗浘涓嶄細褰卞搷鍦ㄥ熀琛ㄤ笂娣誨姞鎴栧垹闄よЕ鍙戝櫒銆?BR>銆銆
銆銆褰撻櫎鍘葷害鏉熸椂錛屼綔涓虹害鏉熺殑涓閮ㄥ垎鑰屽垱寤虹殑绱㈠紩涔熷皢闄ゅ幓銆傝岄氳繃 CREATE INDEX 鍒涘緩鐨勭儲寮曞繀欏諱嬌鐢?DROP INDEX 璇彞鏉ラ櫎鍘匯侱BCC DBREINDEX 璇彞鍙敤鏉ラ噸寤虹害鏉熷畾涔夌殑绱㈠紩閮ㄥ垎錛涜屼笉蹇呬嬌鐢?ALTER TABLE 鍏堥櫎鍘誨啀閲嶆柊娣誨姞綰︽潫銆?BR>銆銆
銆銆蹇呴』鍒犻櫎鎵鏈夊熀浜庡垪鐨勭儲寮曞拰綰︽潫鍚庯紝鎵嶈兘鍒犻櫎鍒椼?BR>銆銆
銆銆娣誨姞綰︽潫鏃訛紝鎵鏈夌幇鏈夋暟鎹兘瑕佽繘琛岀害鏉熻繚瑙勯獙璇併傚鏋滃彂鐢熻繚瑙勶紝ALTER TABLE 璇彞灝嗗け璐ュ茍榪斿洖涓涓敊璇?BR>銆銆
銆銆褰撳湪鐜版湁鍒椾笂娣誨姞鏂?PRIMARY KEY 鎴?UNIQUE 綰︽潫鏃訛紝璇ュ垪涓殑鏁版嵁蹇呴』鍞竴銆傚鏋滃瓨鍦ㄩ噸澶嶅鹼紝ALTER TABLE 璇彞灝嗗け璐ャ傚綋娣誨姞 PRIMARY KEY 鎴?UNIQUE 綰︽潫鏃訛紝WITH NOCHECK 閫夐」涓嶈搗浣滅敤銆?BR>銆銆
銆銆姣忎釜 PRIMARY KEY 鍜?UNIQUE 綰︽潫閮藉皢鐢熸垚涓涓儲寮曘俇NIQUE 鍜?PRIMARY KEY 綰︽潫鐨勬暟鐩笉鑳藉鑷磋〃涓婇潪鑱氶泦绱㈠紩鐨勬暟鐩ぇ浜?249錛岃仛闆嗙儲寮曠殑鏁扮洰澶т簬 1銆?BR>銆銆
銆銆濡傛灉瑕佹坊鍔犵殑鍒楃殑鏁版嵁綾誨瀷涓?uniqueidentifier錛岄偅涔堣鍒楀彲浠ヤ嬌鐢?NEWID() 鍑芥暟浣滀負榛樿鍊鹼紝浠ュ悜琛ㄤ腑鐜版湁琛岀殑鏂板垪鎻愪緵鍞竴鏍囪瘑絎﹀箋?BR>銆銆
銆銆SQL Server 鍦ㄥ垪瀹氫箟涓茍涓嶅己鍒朵互鐗瑰畾鐨勯『搴忔寚瀹?DEFAULT銆両DENTITY銆丷OWGUIDCOL 鎴栧垪綰︽潫銆?BR>銆銆
銆銆ALTER TABLE 鐨?ALTER COLUMN 瀛愬彞騫朵笉浼氬湪鍒椾笂緇戝畾鎴栧彇娑堢粦瀹氫換浣曡鍒欍傚繀欏誨垎鍒嬌鐢?sp_bindrule 鎴?sp_unbindrule 鏉ョ粦瀹氭垨鍙栨秷緇戝畾瑙勫垯銆?BR>銆銆
銆銆鍙皢瑙勫垯緇戝畾鍒扮敤鎴峰畾涔夋暟鎹被鍨嬨傜劧鍚?CREATE TABLE 灝嗚嚜鍔ㄥ湪浠ヨ鐢ㄦ埛瀹氫箟鏁版嵁綾誨瀷瀹氫箟鐨勫垪涓婄粦瀹氳瑙勫垯銆傚綋鐢?ALTER COLUMN 鏇存敼鍒楁暟鎹被鍨嬫椂錛屽茍涓嶄細鍙栨秷緇戝畾榪欎簺瑙勫垯銆傚師鐢ㄦ埛瀹氫箟鏁版嵁綾誨瀷涓婄殑瑙勫垯浠嶇劧緇戝畾鍦ㄨ鍒椾笂銆傚湪 ALTER COLUMN 鏇存敼浜嗗垪鐨勬暟鎹被鍨嬩箣鍚庯紝闅忓悗鎵ц鐨勪換浣曚粠璇ョ敤鎴峰畾涔夋暟鎹被鍨嬩笂鍙栨秷緇戝畾瑙勫垯鐨?sp_unbindrule 閮戒笉浼氬鑷翠粠鏇存敼浜嗘暟鎹被鍨嬬殑鍒椾笂鍙栨秷緇戝畾璇ヨ鍒欍傚鏋?ALTER COLUMN 灝嗗垪鐨勬暟鎹被鍨嬫洿鏀逛負緇戝畾浜嗚鍒欑殑鐢ㄦ埛瀹氫箟鏁版嵁綾誨瀷錛岄偅涔堢粦瀹氬埌鏂版暟鎹被鍨嬬殑瑙勫垯涓嶄細緇戝畾鍒拌鍒椼?BR>銆銆
銆銆鏉冮檺
銆銆ALTER TABLE 鏉冮檺榛樿鎺堜簣琛ㄧ殑鎵鏈夎呫乻ysadmin 鍥哄畾鏈嶅姟鍣ㄨ鑹叉垚鍛樸乨b_owner 鍜?db_ddladmin 鍥哄畾鏁版嵁搴撹鑹叉垚鍛樹笖涓嶅彲杞銆?BR>銆銆
銆銆紺轟緥
銆銆A. 鏇存敼琛ㄤ互娣誨姞鏂板垪
銆銆涓嬩緥娣誨姞涓涓厑璁哥┖鍊肩殑鍒楋紝鑰屼笖娌℃湁閫氳繃 DEFAULT 瀹氫箟鎻愪緵鍊箋傚悇琛岀殑鏂板垪涓殑鍊煎皢涓?NULL銆?BR>銆銆
銆銆CREATE TABLE doc_exa ( column_a INT)
銆銆GO
銆銆ALTER TABLE doc_exa ADD column_b VARCHAR(20) NULL
銆銆GO
銆銆EXEC sp_help doc_exa
銆銆GO
銆銆DROP TABLE doc_exa
銆銆GO
銆銆
銆銆B. 鏇存敼琛ㄤ互闄ゅ幓鍒?BR>銆銆涓嬩緥淇敼琛ㄤ互鍒犻櫎涓鍒椼?BR>銆銆
銆銆CREATE TABLE doc_exb ( column_a INT, column_b VARCHAR(20) NULL)
銆銆GO
銆銆ALTER TABLE doc_exb DROP COLUMN column_b
銆銆GO
銆銆EXEC sp_help doc_exb
銆銆GO
銆銆DROP TABLE doc_exb
銆銆GO
銆銆
銆銆C. 鏇存敼琛ㄤ互娣誨姞鍏鋒湁綰︽潫鐨勫垪
銆銆涓嬩緥鍚戣〃涓坊鍔犲叿鏈?UNIQUE 綰︽潫鐨勬柊鍒椼?
銆銆
銆銆CREATE TABLE doc_exc ( column_a INT)
銆銆GO
銆銆ALTER TABLE doc_exc ADD column_b VARCHAR(20) NULL
銆銆 CONSTRAINT exb_unique UNIQUE
銆銆GO
銆銆EXEC sp_help doc_exc
銆銆GO
銆銆DROP TABLE doc_exc
銆銆GO
銆銆
銆銆D. 鏇存敼琛ㄤ互娣誨姞鏈獙璇佺殑綰︽潫
銆銆涓嬩緥鍚戣〃涓殑鐜版湁鍒椾笂娣誨姞綰︽潫銆傝鍒椾腑瀛樺湪涓涓繚鍙嶇害鏉熺殑鍊鹼紱鍥犳錛屽埄鐢?WITH NOCHECK 鏉ラ槻姝㈠鐜版湁琛岄獙璇佺害鏉燂紝浠庤屽厑璁歌綰︽潫鐨勬坊鍔犮?BR>銆銆
銆銆CREATE TABLE doc_exd ( column_a INT)
銆銆GO
銆銆INSERT INTO doc_exd VALUES (-1)
銆銆GO
銆銆ALTER TABLE doc_exd WITH NOCHECK
銆銆ADD CONSTRAINT exd_check CHECK (column_a > 1)
銆銆GO
銆銆EXEC sp_help doc_exd
銆銆GO
銆銆DROP TABLE doc_exd
銆銆GO
銆銆
銆銆E. 鏇存敼琛ㄤ互娣誨姞澶氫釜甯︽湁綰︽潫鐨勫垪
銆銆涓嬩緥鍚戣〃涓坊鍔犲涓甫鏈夌害鏉熺殑鏂板垪銆傜涓涓柊鍒楀叿鏈?IDENTITY 灞炴э紱琛ㄤ腑姣忎竴琛岀殑鏍囪瘑鍒楅兘灝嗗叿鏈夐掑鐨勬柊鍊箋?BR>銆銆
銆銆CREATE TABLE doc_exe ( column_a INT CONSTRAINT column_a_un UNIQUE)
銆銆GO
銆銆ALTER TABLE doc_exe ADD
銆銆
銆銆/* Add a PRIMARY KEY identity column. */
銆銆column_b INT IDENTITY
銆銆CONSTRAINT column_b_pk PRIMARY KEY,
銆銆
銆銆/* Add a column referencing another column in the same table. */
銆銆column_c INT NULL
銆銆CONSTRAINT column_c_fk
銆銆REFERENCES doc_exe(column_a),
銆銆
銆銆/* Add a column with a constraint to enforce that */
銆銆/* nonnull data is in a valid phone number format. */
銆銆column_d VARCHAR(16) NULL
銆銆CONSTRAINT column_d_chk
銆銆CHECK
銆銆(column_d IS NULL OR
銆銆column_d LIKE "[0-9][0-9][0-9]-[0-9][0-9][0-9][0-9]" OR
銆銆column_d LIKE
銆銆"([0-9][0-9][0-9]) [0-9][0-9][0-9]-[0-9][0-9][0-9][0-9]"),
銆銆
銆銆/* Add a nonnull column with a default. */
銆銆column_e DECIMAL(3,3)
銆銆CONSTRAINT column_e_default
銆銆DEFAULT .081
銆銆GO
銆銆EXEC sp_help doc_exe
銆銆GO
銆銆DROP TABLE doc_exe
銆銆GO
銆銆
銆銆F. 娣誨姞鍏鋒湁榛樿鍊肩殑鍙負絀虹殑鍒?BR>銆銆涓嬩緥娣誨姞鍙負絀虹殑銆佸叿鏈?DEFAULT 瀹氫箟鐨勫垪錛屽茍浣跨敤 WITH VALUES 涓鴻〃涓殑鍚勭幇鏈夎鎻愪緵鍊箋傚鏋滄病鏈変嬌鐢?WITH VALUES錛岄偅涔堟瘡涓琛岀殑鏂板垪涓兘灝嗗叿鏈?NULL 鍊箋?BR>銆銆
銆銆ALTER TABLE MyTable
銆銆ADD AddDate smalldatetime NULL
銆銆CONSTRAINT AddDateDflt
銆銆DEFAULT getdate() WITH VALUES
銆銆
銆銆G. 紱佺敤騫墮噸鏂板惎鐢ㄤ竴涓害鏉?BR>銆銆涓嬩緥紱佺敤鐢ㄤ簬闄愬埗鍙帴鍙楃殑钖按鏁版嵁鐨勭害鏉熴俉ITH NOCHECK CONSTRAINT 涓?ALTER TABLE 涓璧蜂嬌鐢紝浠ョ鐢ㄨ綰︽潫騫朵嬌姝e父鎯呭喌涓嬩細寮曡搗綰︽潫榪濊鐨勬彃鍏ユ搷浣滃緱浠ユ墽琛屻俉ITH CHECK CONSTRAINT 閲嶆柊鍚敤璇ョ害鏉熴?BR>銆銆
銆銆CREATE TABLE cnst_example
銆銆(id INT NOT NULL,
銆銆 name VARCHAR(10) NOT NULL,
銆銆 salary MONEY NOT NULL
銆銆 CONSTRAINT salary_cap CHECK (salary < 100000)
銆銆)
銆銆
銆銆-- Valid inserts
銆銆INSERT INTO cnst_example VALUES (1,"Joe Brown",65000)
銆銆INSERT INTO cnst_example VALUES (2,"Mary Smith",75000)
銆銆
銆銆-- This insert violates the constraint.
銆銆INSERT INTO cnst_example VALUES (3,"Pat Jones",105000)
銆銆
銆銆-- Disable the constraint and try again.
銆銆ALTER TABLE cnst_example NOCHECK CONSTRAINT salary_cap
銆銆INSERT INTO cnst_example VALUES (3,"Pat Jones",105000)
銆銆
銆銆-- Reenable the constraint and try another insert, will fail.
銆銆ALTER TABLE cnst_example CHECK CONSTRAINT salary_cap
銆銆INSERT INTO cnst_example VALUES (4,"Eric James",110000)
銆銆
銆銆H. 紱佺敤騫墮噸鏂板惎鐢ㄨЕ鍙戝櫒
銆銆涓嬩緥浣跨敤 ALTER TABLE 鐨?DISABLE TRIGGER 閫夐」鏉ョ鐢ㄨЕ鍙戝櫒錛屼互浣挎甯告儏鍐典笅浼氳繚鍙嶈Е鍙戝櫒鏉′歡鐨勬彃鍏ユ搷浣滃緱浠ユ墽琛屻傜劧鍚庝笅渚嬩嬌鐢?ENABLE TRIGGER 閲嶆柊鍚敤瑙﹀彂鍣ㄣ?BR>銆銆
銆銆CREATE TABLE trig_example
銆銆(id INT,
銆銆name VARCHAR(10),
銆銆salary MONEY)
銆銆go
銆銆-- Create the trigger.
銆銆CREATE TRIGGER trig1 ON trig_example FOR INSERT
銆銆as
銆銆IF (SELECT COUNT(*) FROM INSERTED
銆銆WHERE salary > 100000) > 0
銆銆BEGIN
銆銆print "TRIG1 Error: you attempted to insert a salary > $100,000"
銆銆ROLLBACK TRANSACTION
銆銆END
銆銆GO
銆銆-- Attempt an insert that violates the trigger.
銆銆INSERT INTO trig_example VALUES (1,"Pat Smith",100001)
銆銆GO
銆銆-- Disable the trigger.
銆銆ALTER TABLE trig_example DISABLE TRIGGER trig1
銆銆GO
銆銆-- Attempt an insert that would normally violate the trigger
銆銆INSERT INTO trig_example VALUES (2,"Chuck Jones",100001)
銆銆GO
銆銆-- Re-enable the trigger.
銆銆ALTER TABLE trig_example ENABLE TRIGGER trig1
銆銆GO
銆銆-- Attempt an insert that violates the trigger.
銆銆INSERT INTO trig_example VALUES (3,"Mary Booth",100001)
銆銆GO
銆銆


]]>
鍒濆T-SQL絎旇涔婳N[PRIMARY]http://m.shnenglu.com/ivenher/articles/828.html鐖遍キ鐩?/dc:creator>鐖遍キ鐩?/author>Mon, 24 Oct 2005 08:57:00 GMThttp://m.shnenglu.com/ivenher/articles/828.htmlhttp://m.shnenglu.com/ivenher/comments/828.htmlhttp://m.shnenglu.com/ivenher/articles/828.html#Feedback0http://m.shnenglu.com/ivenher/comments/commentRss/828.htmlhttp://m.shnenglu.com/ivenher/services/trackbacks/828.html   鍒濆T-SQL絎旇涔婳N[PRIMARY]

 

  榪欎簺澶╀粈涔堥兘娌″仛銆傚勾鍓嶄技涔庢湁蹇欎笉瀹岀殑浜嬶紝騫村悗浜嗗嵈鍙堟湁浜嗗ソ閫哥殑姣涚梾銆傘傘傘?/P>

  浠婂ぉ鎵嶅紑濮嬬湅瀛︽牎瀹為獙鎸囧鐨勬暟鎹簱寮鍙戝疄渚嬨備互鍓嶄竴鐩存病鏈夋椂闂存潵鐪嬨傘傘?/P>

  鍒涘緩琛ㄧ殑璇彞涓紝鏈鍚庢繪潵涓鍙n[primary]錛岃繖鏄粈涔堟剰鎬濓紵

  緲葷炕鑱旀満涓涗功銆傚湪CREATE TABLE鐨勮娉曚笅浼間箮娌℃湁鎵懼埌銆傜‖鐫澶寸毊鐪嬩笅鍘伙紝緇堜簬鏄庣櫧浜嗕竴浜涖?/P>

  鍐欏嚭鏉ュ惂銆備警鎹瘋佸笀璇達紝鍙戣〃鏄渶濂界殑璁板繂銆傦細錛?/P>

  鍦–REATE TABLE鐨勮娉曚腑鏈夎繖鏍蜂竴鍙ュ彲閫夎娉曢」鐩細

  [ ON { filegroup | DEFAULT } ]

  鐢ㄦ潵鎸囧畾瀛樺偍琛ㄧ殑鏂囦歡緇勩?/P>

  濡傛灉鎸囧畾 filegroup錛屽垯琛ㄥ皢瀛樺偍鍦ㄦ寚瀹氱殑鏂囦歡緇勪腑銆傛暟鎹簱涓繀欏誨瓨鍦ㄨ鏂囦歡緇勩傚鏋滄寚瀹?DEFAULT錛屾垨鑰呮牴鏈湭鎸囧畾 ON 鍙傛暟錛屽垯琛ㄥ瓨鍌ㄥ湪榛樿鏂囦歡緇勪腑銆?/P>

  錛圖EFAULT 騫朵笉鏄叧閿瓧銆侱EFAULT 鏄粯璁ゆ枃浠剁粍鐨勬爣璇嗙騫墮渶瀵瑰叾榪涜瀹氱晫錛屽 ON "DEFAULT"銆丱N [DEFAULT]銆傦級

  ON [PRIMARY]鏄〃紺鴻〃鏄緩绔嬪湪涓繪枃浠剁粍涓娿侾RIMARY琛ㄧず涓繪枃浠剁粍銆傚鏋滄病鏈夋寚瀹氶粯璁ゆ枃浠剁粍錛屽垯涓繪枃浠剁粍鏄粯璁ゆ枃浠剁粍錛孫N [PRIMARY]涔熷彲浠ョ渷鐣ユ帀浜嗐?/P>

  鐢辨暟鎹簱璇村紑鏉ャ侻icrosoft廬 SQL Server鈩?2000 浣跨敤涓緇勬搷浣滅郴緇熸枃浠舵槧灝勬暟鎹簱錛屼篃鍙互璇村皢鏁版嵁搴撴槧灝勫埌涓緇勬搷浣滅郴緇熸枃浠朵笂錛堢湅浣犳庝箞鐞嗚В浜嗭級銆傛暟鎹簱涓殑鎵鏈夋暟鎹拰瀵硅薄錛堝琛ㄣ佸瓨鍌ㄨ繃紼嬨佽Е鍙戝櫒鍜岃鍥撅級閮藉瓨鍌ㄥ湪鎿嶄綔緋葷粺鏂囦歡錛堟暟鎹簱鏂囦歡錛夛細涓昏鏁版嵁鏂囦歡 銆佹瑕佹暟鎹枃浠?鍜屼簨鍔℃棩蹇?鏂囦歡涓?/P>

  1.涓昏鏁版嵁鏂囦歡

  璇ユ枃浠跺寘鍚暟鎹簱鐨勫惎鍔ㄤ俊鎭紝騫剁敤浜庡瓨鍌ㄦ暟鎹傛槸鏁版嵁搴撶殑璧風偣錛屾寚鍚戞暟鎹簱涓枃浠剁殑鍏跺畠閮ㄥ垎銆傛瘡涓暟鎹簱閮芥湁涓涓富瑕佹暟鎹枃浠躲備富瑕佹暟鎹枃浠剁殑鎺ㄨ崘鏂囦歡鎵╁睍鍚嶆槸 .mdf銆?/P>

  2.嬈¤鏁版嵁鏂囦歡

  榪欎簺鏂囦歡鍚湁涓嶈兘緗簬涓昏鏁版嵁鏂囦歡涓殑鎵鏈夋暟鎹嵆鍖呭惈闄や富瑕佹暟鎹枃浠跺鐨勬墍鏈夋暟鎹枃浠躲傛湁浜涙暟鎹簱鍙兘娌℃湁嬈¤鏁版嵁鏂囦歡錛岃屾湁浜涙暟鎹簱鍒欐湁澶氫釜嬈¤鏁版嵁鏂囦歡銆傦紙濡傛灉涓繪枃浠跺彲浠ュ寘鍚暟鎹簱涓殑鎵鏈夋暟鎹紝閭d箞鏁版嵁搴撳氨涓嶉渶瑕佹瑕佹暟鎹枃浠躲傛湁浜涙暟鎹簱鍙兘瓚沖澶ф晠闇瑕佸涓瑕佹暟鎹枃浠訛紝鎴栦嬌鐢ㄤ綅浜庝笉鍚岀鐩橀┍鍔ㄥ櫒涓婄殑杈呭姪鏂囦歡灝嗘暟鎹墿灞曞埌澶氫釜紓佺洏銆傦級嬈¤鏁版嵁鏂囦歡鐨勬帹鑽愭枃浠舵墿灞曞悕鏄?.ndf銆?/P>

  3.浜嬪姟鏃ュ織鏂囦歡

  璇ユ暟鎹簱鐨勬棩蹇椾俊鎭傛瘡涓暟鎹簱閮藉繀欏昏嚦灝戞湁涓涓棩蹇楁枃浠躲傛棩蹇楁枃浠剁殑鎺ㄨ崘鏂囦歡鎵╁睍鍚嶆槸 .ldf銆?/P>

  鏂囦歡緇?/P>

  鍑轟簬鍒嗛厤鍜岀鐞嗙洰鐨勶紝鍙互灝嗘暟鎹簱鏂囦歡鍒嗘垚涓嶅悓鐨勬枃浠剁粍銆傛枃浠剁粍鏄疭QL Server 2000鏁版嵁鏂囦歡鐨勪竴縐嶉昏緫綆$悊鍗曚綅銆係QL Server涓竴涓垨澶氫釜鏂囦歡鐨勫懡鍚嶉泦鍚堬紝瀹冩瀯鎴愬垎閰嶆垨鐢ㄤ簬鏁版嵁搴撶鐞嗙殑鍗曚釜鍗曞厓銆傚湪棣栨寤烘暟鎹簱錛屾垨鑰呬互鍚庡皢鏇村鏂囦歡娣誨姞鍒版暟鎹簱鏃訛紝鍙互鍒涘緩鏂囦歡緇勩傛枃浠剁粍涓嶈兘鐙珛浜庢暟鎹簱鏂囦歡鍒涘緩銆傛枃浠剁粍鏄湪鏁版嵁搴撲腑瀵規枃浠惰繘琛屽垎緇勭殑涓縐嶇鐞嗘満鍒躲?/P>

  鏈変袱縐嶇被鍨嬬殑鏂囦歡緇勶細涓昏鏂囦歡緇勫拰鐢ㄦ埛瀹氫箟鏂囦歡緇勩傦紙鍙互璇達紝鏁版嵁搴撶敱涓涓富鏂囦歡緇勫拰浠繪剰鐢ㄦ埛瀹氫箟鐨勬枃浠剁粍緇勬垚銆傦級

  1.涓繪枃浠剁粍 錛圥RIMARY錛?/P>

  鐢ㄦ埛瀹氫箟鏂囦歡緇?榛樿鏂囦歡緇?鍚屼負鏂囦歡緇勭殑涓縐嶇被鍨嬨?/P>

  鍏跺寘鍚富瑕佹暟鎹枃浠跺拰浠諱綍娌℃湁鏄庣‘鎸囨淳緇欏叾瀹冩枃浠剁粍鐨勫叾瀹冩枃浠躲傜郴緇熻〃鐨勬墍鏈夐〉鍧囧垎閰嶅湪涓繪枃浠剁粍.

  2.鐢ㄦ埛瀹氫箟鏂囦歡緇?/P>

  鐢ㄦ埛瀹氫箟鏂囦歡緇勬槸鍦?CREATE DATABASE 鎴?ALTER DATABASE 璇彞涓紝浣跨敤 FILEGROUP 鍏抽敭瀛楁垨鍦?SQL Server 浼佷笟綆$悊鍣ㄥ唴鐨?灞炴?瀵硅瘽妗嗘寚瀹氱殑鏂囦歡緇勩?/P>

  鍙︼細榛樿鏂囦歡緇?錛圖EFAULT 鏂囦歡緇勶級

  鏂囦歡緇勭殑涓縐嶇被鍨嬶紝鍏跺寘鍚湪鍒涘緩鏃舵病鏈夋寚瀹氭枃浠剁粍鐨勬墍鏈夎〃鍜岀儲寮曠殑欏點傚湪姣忎釜鏁版嵁搴撲腑錛屾瘡嬈″彧鑳芥湁涓涓枃浠剁粍鏄粯璁ゆ枃浠剁粍銆傚鏋滄病鏈夋寚瀹氶粯璁ゆ枃浠剁粍錛屽垯榛樿鏂囦歡緇勬槸涓繪枃浠剁粍銆?鍙敤 ALTER DATABASE 璇彞鏇存敼榛樿鏂囦歡緇勩傞氳繃鏇存敼榛樿鏂囦歡緇勶紝鍒涘緩鏃舵病鏈夋寚瀹氭枃浠剁粍鐨勪換浣曞璞¢兘琚垎閰嶅埌鏂伴粯璁ゆ枃浠剁粍涓殑鏁版嵁鏂囦歡銆傜劧鑰岋紝緋葷粺瀵硅薄鍜岃〃浠嶇劧淇濈暀鍦?PRIMARY 鏂囦歡緇勫唴錛岃屼笉鏄柊榛樿鏂囦歡緇勩傦紙姣忎釜鏁版嵁搴撲腑閮芥湁涓涓枃浠剁粍浣滀負榛樿鏂囦歡緇勮繍琛屻傚綋 SQL Server 緇欏垱寤烘椂娌℃湁涓哄叾鎸囧畾鏂囦歡緇勭殑琛ㄦ垨绱㈠紩鍒嗛厤欏墊椂錛屽皢浠庨粯璁ゆ枃浠剁粍涓繘琛屽垎閰嶃備竴嬈″彧鑳芥湁涓涓枃浠剁粍浣滀負榛樿鏂囦歡緇勩俤b_owner 鍥哄畾鏁版嵁搴撹鑹叉垚鍛樺彲浠ュ皢榛樿鏂囦歡緇勪粠涓涓枃浠剁粍鍒囨崲鍒板彟涓涓傚鏋滄病鏈夋寚瀹氶粯璁ゆ枃浠剁粍錛屽垯涓繪枃浠剁粍鏄粯璁ゆ枃浠剁粍銆傦級

  娉?SQL Server 2000 鍦ㄦ病鏈夋枃浠剁粍鏃朵篃鑳芥湁鏁堝湴宸ヤ綔錛屽洜姝よ澶氱郴緇熶笉闇瑕佹寚瀹氱敤鎴峰畾涔夋枃浠剁粍銆傚湪榪欑鎯呭喌涓嬶紝鎵鏈夋枃浠墮兘鍖呭惈鍦ㄤ富鏂囦歡緇勪腑錛岃屼笖 SQL Server 2000 鍙互鍦ㄦ暟鎹簱鍐呯殑浠諱綍浣嶇疆鍒嗛厤鏁版嵁銆傛枃浠剁粍涓嶆槸鍦ㄥ涓┍鍔ㄥ櫒涔嬮棿鍒嗛厤 I/O 鐨勫敮涓鏂規硶銆?/P>

  闄勶細

  . 涓轟粈涔堣寤虹珛鏂囦歡緇?/P>

  寤虹珛鏂囦歡緇勬湁涓や釜鐩殑銆?/P>

  q 涓鏄彲浠ユ洿濂藉湴鍒嗛厤鍜岀鐞嗗瓨鍌ㄧ┖闂達紝閫氳繃鎺у埗鍦ㄧ壒瀹氱鐩橀┍鍔ㄥ櫒涓婃斁緗暟鎹拰绱㈠紩鏉ユ彁楂樻暟鎹簱鐨勬ц兘銆?/P>

  q 浜屾槸鐢變簬鎿嶄綔緋葷粺瀵圭墿鐞嗘枃浠剁殑澶у皬榪涜浜嗛檺鍒訛紝鎵浠ュ綋鏌愪釜紓佺洏涓婄殑鏁版嵁鏂囦歡瓚呰繃鍗曚釜鏂囦歡鍏佽鐨勬渶澶у兼椂錛屽彲浠ヤ嬌鐢ㄦ枃浠剁粍涓瓨

  璐湪鍏朵粬椹卞姩鍣ㄤ笂鐨勬暟鎹枃浠剁戶緇墿鍏呭瓨鍌ㄧ┖闂淬?/P>

  . 鏁版嵁鏂囦歡鍜屾枃浠剁粍鐨勪嬌鐢ㄨ鍒?/P>

  SQL Server 2000涓殑鏁版嵁鏂囦歡鍜屾枃浠剁粍鐨勪嬌鐢ㄨ鍒欏寘鎷細

  q 鏁版嵁鏂囦歡鎴栨枃浠剁粍涓嶈兘鐢變竴涓互涓婄殑鏁版嵁搴撲嬌鐢ㄣ?/P>

  q 鏁版嵁鏂囦歡鍙兘鏄竴涓枃浠剁粍鐨勬垚鍛樸?/P>

  q 鏁版嵁鏂囦歡鍜屾棩蹇楁枃浠朵笉鑳藉睘浜庡悓涓鏂囦歡鎴栨枃浠剁粍銆?/P>

  q 鏃ュ織鏂囦歡涓嶈兘灞炰簬浠諱綍鏂囦歡緇勩?/P>

  q 鍙湁鏂囦歡緇勪腑鐨勬墍鏈夋暟鎹枃浠墮兘娌℃湁絀洪棿浜嗭紝鏂囦歡緇勭殑鏂囦歡鎵嶄細鑷姩澧為暱銆?/P>

  . 鏂囦歡緇勭殑宸ヤ綔鍘熺悊

  鏂囦歡緇勫緇勫唴鐨勬墍鏈夋枃浠墮兘浣跨敤鎸夋瘮渚嬪~鍏呯瓥鐣ャ傚綋灝嗘暟鎹啓鍏ユ枃浠剁粍鏃訛紝SQL Server 2000鏍規嵁鏂囦歡涓殑鍙敤絀洪棿閲忓皢涓瀹氭瘮渚嬬殑鏁版嵁鍐欏叆鏂?/P>

  浠剁粍鐨勬瘡涓枃浠訛紝鑰屼笉鏄皢鎵鏈夌殑鏁版嵁鍏堝啓婊$涓涓枃浠訛紝鎺ョ潃鍐嶅啓鍏ヤ笅涓涓枃浠躲備緥濡傦紝濡傛灉鏂囦歡1鏈?00MB鐨勫彲鐢ㄧ┖闂達紝鏂囦歡2鏈?00MB鐨勫彲

  鐢ㄧ┖闂達紝鍒欎粠鏂囦歡1涓垎閰嶄竴涓洏鍖猴紝浠庢枃浠?涓垎閰嶄袱涓洏鍖猴紝渚濇綾繪帹銆傝繖鏍鳳紝涓や釜鏂囦歡鍑犱箮鍚屾椂濉弧銆?/P>

  涓鏃︽枃浠剁粍鍐呯殑鎵鏈夋枃浠跺凡婊★紝SQL Server 2000灝辮嚜鍔ㄥ湴閲囩敤寰幆鏂瑰紡涓嬈℃墿灞曚竴涓枃浠訛紝浠ュ綰蟲洿澶氱殑鏁版嵁錛堝亣瀹氭暟鎹簱璁劇疆涓鴻嚜鍔ㄥ闀匡級

  銆備緥濡傦紝鏌愪釜鏂囦歡緇勭敱3涓枃浠剁粍鎴愶紝瀹冧滑閮借緗負鑷姩澧為暱銆傚綋鏂囦歡緇勪腑鐨勬墍鏈夋枃浠剁殑絀洪棿鐢ㄥ畬鏃訛紝鍙墿灞曠涓涓枃浠躲傚綋絎竴涓枃浠跺凡婊★紝

  涓嶈兘灝嗘洿澶氱殑鏁版嵁鍐欏叆璇ユ枃浠剁粍鏃訛紝鎵╁睍絎簩涓枃浠躲傚綋絎簩涓枃浠跺凡婊★紝涓嶈兘灝嗘洿澶氱殑鏁版嵁鍐欏叆璇ユ枃浠剁粍鏃訛紝鎵╁睍絎?涓枃浠躲傚鏋滅3涓枃

  浠跺凡婊★紝涓嶈兘灝嗘洿澶氱殑鏁版嵁鍐欏叆璇ユ枃浠剁粍錛岄偅涔堝啀嬈℃墿灞曠涓涓枃浠訛紝浠ユ綾繪帹銆?/P>

  姝f椂鐢變簬鏂囦歡緇勭殑榪欑鐗規э紝鍏佽璺ㄥ涓鐩樸佸涓鐩樻帶鍒跺櫒鎴?RAID錛堝粔浠風鐩樺啑浣欓樀鍒楋級緋葷粺鍒涘緩鏁版嵁搴擄紝鍙彁楂樻暟鎹簱鎬ц兘銆備緥濡傦紝濡?/P>

  鏋滆綆楁満涓湁4涓鐩橈紝閭d箞鍙互鍒涘緩涓涓敱3涓暟鎹枃浠跺拰涓涓棩蹇楁枃浠剁粍鎴愮殑鏁版嵁搴擄紝姣忎釜紓佺洏涓婃斁緗竴涓枃浠躲傚湪瀵規暟鎹繘琛岃闂椂錛屽洓

  涓/鍐欑澶村彲浠ュ悓鏃跺茍琛屽湴璁塊棶鏁版嵁錛屼粠鑰屽姞閫熸暟鎹簱鎿嶄綔銆?/P>

  鍙﹀錛屾枃浠跺拰鏂囦歡緇勫厑璁告暟鎹竷灞錛屽彲浠ュ湪鐗瑰畾鐨勬枃浠剁粍涓垱寤鴻〃銆傚洜涓虹壒瀹氳〃鐨勬墍鏈夎緭鍏?杈撳嚭閮藉彲浠ュ畾鍚戝埌鐗瑰畾鐨勭鐩橈紝鎵浠ユц兘寰椾互鏀瑰杽

  銆備緥濡傦紝鍙互灝嗘渶甯哥敤鐨勮〃鏀懼湪涓涓枃浠剁粍涓殑涓涓枃浠朵腑錛岃鏂囦歡緇勪綅浜庝竴涓鐩樹笂錛涜屽皢鏁版嵁搴撲腑鍏跺畠鐨勪笉甯歌闂殑琛ㄦ斁鍦ㄥ彟涓涓枃浠剁粍

  涓殑鍏跺畠鏂囦歡涓紝璇ユ枃浠剁粍浣嶄簬絎簩涓鐩樹笂銆?/P>

  . 濡備綍浣跨敤鏂囦歡緇勭殑寤鴻

  q 澶у鏁版暟鎹簱鍦ㄥ彧鏈夊崟涓暟鎹枃浠跺拰鍗曚釜浜嬪姟鏃ュ織鏂囦歡鐨勬儏鍐典笅鍙互寰堝ソ鍦拌繍琛屻?/P>

  q 濡傛灉浣跨敤澶氫釜鏂囦歡錛岃涓洪檮鍔犳枃浠跺垱寤虹浜屼釜鏂囦歡緇勶紝騫跺皢鍏惰緗負榛樿鏂囦歡緇勩傝繖鏍鳳紝涓繪枃浠跺皢浠呭寘鍚郴緇熻〃鍜屽璞°?/P>

  q 鑻ヨ鑾峰緱鏈浣蟲ц兘錛岃鍦ㄥ敖鍙兘澶氱殑鍙敤鏈湴鐗╃悊紓佺洏涓婂垱寤烘枃浠舵垨鏂囦歡緇勶紝騫跺皢浜夊ず絀洪棿鏈嬋鐑堢殑瀵硅薄緗簬涓嶅悓鐨勬枃浠剁粍涓?/P>

  q 浣跨敤鏂囦歡緇勪互鍏佽灝嗗璞℃斁緗湪鐗瑰畾鐨勭墿鐞嗙鐩樹笂銆?/P>

  q 灝嗗湪鍚屼竴鑱旀帴鏌ヨ涓嬌鐢ㄧ殑涓嶅悓琛ㄧ疆浜庝笉鍚岀殑鏂囦歡緇勪腑銆傜敱浜庨噰鐢ㄥ茍琛岀鐩樿緭鍏?杈撳嚭瀵硅仈鎺ユ暟鎹繘琛屾悳绱紝鎵浠ユц兘灝嗗緱浠ユ敼鍠勩?/P>

  q 灝嗘渶甯歌闂殑琛ㄥ拰灞炰簬榪欎簺琛ㄧ殑闈炶仛闆嗙儲寮曠疆浜庝笉鍚岀殑鏂囦歡緇勪笂銆傚鏋滄枃浠朵綅浜庝笉鍚岀殑鐗╃悊紓佺洏涓婏紝鐢變簬閲囩敤騫惰杈撳叆/杈撳嚭錛屾墍浠?/P>

  鎬ц兘寰椾互鎻愰珮銆?/P>

  q 涓嶈灝嗘棩蹇楁枃浠朵笌鍏跺畠鏂囦歡鍜屾枃浠剁粍緗簬鍚屼竴鐗╃悊紓佺洏涓娿?/P>



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