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絎竴錛岄氳繃鍒涘緩鍞竴鎬х儲寮曪紝鍙互淇濊瘉鏁版嵁搴撹〃涓瘡涓琛屾暟鎹殑鍞竴鎬с?/span>
絎簩錛屽彲浠ュぇ澶у姞蹇?/span> 鏁版嵁鐨勬绱㈤熷害錛岃繖涔熸槸鍒涘緩绱㈠紩鐨勬渶涓昏鐨勫師鍥犮?/span>
絎笁錛屽彲浠ュ姞閫熻〃鍜岃〃涔嬮棿鐨勮繛鎺ワ紝鐗瑰埆鏄湪瀹炵幇鏁版嵁鐨勫弬鑰冨畬鏁存ф柟闈㈢壒鍒湁鎰忎箟銆?/span>
絎洓錛屽湪浣跨敤鍒嗙粍鍜屾帓搴?/span> 瀛愬彞榪涜鏁版嵁媯绱㈡椂錛屽悓鏍峰彲浠ユ樉钁楀噺灝戞煡璇腑鍒嗙粍鍜屾帓搴忕殑鏃墮棿銆?/span>
絎簲錛岄氳繃浣跨敤绱㈠紩錛屽彲浠ュ湪鏌ヨ鐨勮繃紼嬩腑錛屼嬌鐢ㄤ紭鍖栭殣钘忓櫒錛屾彁楂樼郴緇熺殑鎬ц兘銆?/span>
涔熻浼氭湁浜鴻闂細澧炲姞绱㈠紩鏈夊姝ゅ鐨勪紭鐐癸紝涓轟粈涔堜笉瀵硅〃涓殑姣忎竴涓垪鍒涘緩涓涓儲寮曞憿錛熻繖縐嶆兂娉曞浐鐒舵湁鍏跺悎鐞嗘э紝鐒惰屼篃鏈夊叾鐗囬潰鎬с傝櫧鐒訛紝绱㈠紩鏈夎澶氫紭鐐癸紝 浣嗘槸錛屼負琛ㄤ腑鐨勬瘡涓涓垪閮藉鍔犵儲寮曪紝鏄潪甯鎬笉鏄庢櫤鐨勩傝繖鏄洜涓猴紝澧炲姞绱㈠紩涔熸湁璁稿涓嶅埄鐨勪竴涓柟闈€?/span>
絎竴錛屽垱寤虹儲寮曞拰緇存姢绱㈠紩瑕佽楄垂鏃墮棿錛岃繖縐嶆椂闂撮殢鐫鏁版嵁 閲忕殑澧炲姞鑰屽鍔犮?/span>
絎簩錛岀儲寮曢渶瑕佸崰鐗╃悊絀洪棿錛岄櫎浜嗘暟鎹〃鍗犳暟鎹┖闂翠箣澶栵紝姣忎竴涓儲寮曡繕瑕佸崰涓瀹氱殑鐗╃悊絀洪棿錛屽鏋滆寤虹珛鑱氱皣绱㈠紩錛岄偅涔堥渶瑕佺殑絀洪棿灝變細鏇村ぇ銆?/span>
絎笁錛屽綋瀵硅〃涓殑鏁版嵁榪涜澧炲姞銆佸垹闄ゅ拰淇敼鐨勬椂鍊欙紝绱㈠紩涔熻鍔ㄦ佺殑緇存姢錛岃繖鏍峰氨闄嶄綆浜嗘暟鎹殑緇存姢閫熷害銆?/span>
绱㈠紩鏄緩绔嬪湪鏁版嵁搴撹〃涓殑鏌愪簺鍒楃殑涓婇潰銆傚洜姝わ紝鍦ㄥ垱寤虹儲寮曠殑鏃跺欙紝搴旇浠旂粏鑰冭檻鍦ㄥ摢浜涘垪涓婂彲浠ュ垱寤虹儲寮曪紝鍦ㄥ摢浜涘垪涓婁笉鑳藉垱寤虹儲寮曘備竴鑸潵璇達紝搴旇鍦ㄨ繖浜涘垪 涓婂垱寤虹儲寮曪紝渚嬪錛?/span>
鍦ㄧ粡甯擱渶瑕佹悳绱㈢殑鍒椾笂錛屽彲浠ュ姞蹇悳绱㈢殑閫熷害錛?/span>
鍦ㄤ綔涓轟富閿殑鍒椾笂錛屽己鍒惰鍒楃殑鍞竴鎬у拰緇勭粐琛ㄤ腑鏁版嵁鐨勬帓鍒楃粨鏋勶紱
鍦ㄧ粡甯哥敤鍦ㄨ繛鎺ョ殑鍒椾笂錛岃繖 浜涘垪涓昏鏄竴浜涘閿紝鍙互鍔犲揩榪炴帴鐨勯熷害錛?/span>
鍦ㄧ粡甯擱渶瑕佹牴鎹寖鍥磋繘琛屾悳绱㈢殑鍒椾笂鍒涘緩绱㈠紩錛屽洜涓虹儲寮曞凡緇忔帓搴忥紝鍏舵寚瀹氱殑鑼冨洿鏄繛緇殑錛?/span>
鍦ㄧ粡甯擱渶瑕佹帓搴忕殑鍒椾笂鍒?/span> 寤虹儲寮曪紝鍥犱負绱㈠紩宸茬粡鎺掑簭錛岃繖鏍鋒煡璇㈠彲浠ュ埄鐢ㄧ儲寮曠殑鎺掑簭錛屽姞蹇帓搴忔煡璇㈡椂闂達紱
鍦ㄧ粡甯鎬嬌鐢ㄥ湪WHERE瀛愬彞涓殑鍒椾笂闈㈠垱寤虹儲寮曪紝鍔犲揩鏉′歡鐨勫垽鏂熷害銆?/span>
鍚屾牱錛屽浜庢湁浜涘垪涓嶅簲璇ュ垱寤虹儲寮曘備竴鑸潵璇達紝涓嶅簲璇ュ垱寤虹儲寮曠殑鐨勮繖浜涘垪鍏鋒湁涓嬪垪鐗圭偣錛?/span>
絎竴錛屽浜庨偅浜涘湪鏌ヨ涓緢灝戜嬌鐢ㄦ垨鑰呭弬鑰冪殑鍒椾笉搴旇鍒涘緩绱㈠紩銆傝繖鏄洜 涓猴紝鏃㈢劧榪欎簺鍒楀緢灝戜嬌鐢ㄥ埌錛屽洜姝ゆ湁绱㈠紩鎴栬呮棤绱㈠紩錛屽茍涓嶈兘鎻愰珮鏌ヨ閫熷害銆傜浉鍙嶏紝鐢變簬澧炲姞浜嗙儲寮曪紝鍙嶈岄檷浣庝簡緋葷粺鐨勭淮鎶ら熷害鍜屽澶т簡絀洪棿闇姹傘?/span>
絎簩錛屽浜庨偅 浜涘彧鏈夊緢灝戞暟鎹肩殑鍒椾篃涓嶅簲璇ュ鍔犵儲寮曘傝繖鏄洜涓猴紝鐢變簬榪欎簺鍒楃殑鍙栧煎緢灝戯紝渚嬪浜轟簨琛ㄧ殑鎬у埆鍒楋紝鍦ㄦ煡璇㈢殑緇撴灉涓紝緇撴灉闆嗙殑鏁版嵁琛屽崰浜嗚〃涓暟鎹鐨勫緢澶ф瘮 渚嬶紝鍗抽渶瑕佸湪琛ㄤ腑鎼滅儲鐨勬暟鎹鐨勬瘮渚嬪緢澶с傚鍔犵儲寮曪紝騫朵笉鑳芥槑鏄懼姞蹇绱㈤熷害銆?/span>
絎笁錛屽浜庨偅浜涘畾涔変負text, image鍜?/span>bit鏁版嵁綾誨瀷鐨勫垪涓嶅簲璇ュ鍔犵儲寮曘傝繖鏄洜涓猴紝榪欎簺鍒楃殑鏁版嵁閲忚涔堢浉褰撳ぇ錛岃涔堝彇鍊煎緢灝戙?/span>
絎洓錛屽綋淇敼鎬ц兘榪滆繙澶т簬媯绱㈡ц兘鏃訛紝涓嶅簲璇ュ垱寤虹儲 寮曘傝繖鏄洜涓猴紝淇敼鎬ц兘鍜屾绱㈡ц兘鏄簰鐩哥煕鐩劇殑銆傚綋澧炲姞绱㈠紩鏃訛紝浼氭彁楂樻绱㈡ц兘錛屼絾鏄細闄嶄綆淇敼鎬ц兘銆傚綋鍑忓皯绱㈠紩鏃訛紝浼氭彁楂樹慨鏀規ц兘錛岄檷浣庢绱㈡ц兘銆傚洜 姝わ紝褰撲慨鏀規ц兘榪滆繙澶т簬媯绱㈡ц兘鏃訛紝涓嶅簲璇ュ垱寤虹儲寮曘?/span>
鍒涘緩绱㈠紩鐨勬柟娉曞拰绱㈠紩鐨勭壒寰?/span>
鍒涘緩绱㈠紩鐨勬柟娉?/span>
鍒涘緩绱㈠紩鏈夊縐嶆柟娉曪紝榪欎簺鏂規硶鍖呮嫭鐩存帴鍒涘緩绱㈠紩鐨勬柟娉曞拰闂存帴鍒涘緩绱㈠紩鐨勬柟娉曘傜洿鎺ュ垱寤虹儲寮曪紝渚嬪浣跨敤CREATE INDEX璇彞鎴栬呬嬌鐢ㄥ垱寤虹儲寮曞悜瀵鹼紝闂存帴鍒涘緩绱㈠紩錛屼緥濡傚湪琛ㄤ腑瀹氫箟涓婚敭綰︽潫鎴栬呭敮涓鎬ч敭綰︽潫鏃訛紝鍚屾椂涔熷垱寤轟簡绱㈠紩銆傝櫧鐒訛紝榪欎袱縐嶆柟娉曢兘鍙互鍒涘緩绱㈠紩錛屼絾 鏄紝瀹冧滑鍒涘緩绱㈠紩鐨勫叿浣撳唴瀹規槸鏈夊尯鍒殑銆?/span>
浣跨敤CREATE INDEX璇彞鎴栬呬嬌鐢ㄥ垱寤虹儲寮曞悜瀵兼潵鍒涘緩绱㈠紩錛岃繖鏄渶鍩烘湰鐨勭儲寮曞垱寤烘柟寮忥紝騫朵笖榪欑鏂規硶鏈鍏鋒湁鏌旀э紝鍙互瀹氬埗鍒涘緩鍑虹鍚堣嚜宸遍渶瑕佺殑绱㈠紩銆傚湪浣跨敤榪欑鏂瑰紡 鍒涘緩绱㈠紩鏃訛紝鍙互浣跨敤璁稿閫夐」錛屼緥濡傛寚瀹氭暟鎹〉鐨勫厖婊″害銆佽繘琛屾帓搴忋佹暣鐞嗙粺璁′俊鎭瓑錛岃繖鏍峰彲浠ヤ紭鍖栫儲寮曘備嬌鐢ㄨ繖縐嶆柟娉曪紝鍙互鎸囧畾绱㈠紩鐨勭被鍨嬨佸敮涓鎬у拰澶嶅悎 鎬э紝涔熷氨鏄錛屾棦鍙互鍒涘緩鑱氱皣绱㈠紩錛屼篃鍙互鍒涘緩闈炶仛綈囩儲寮曪紝鏃㈠彲浠ュ湪涓涓垪涓婂垱寤虹儲寮曪紝涔熷彲浠ュ湪涓や釜鎴栬呬袱涓互涓婄殑鍒椾笂鍒涘緩绱㈠紩銆?/span>
閫氳繃瀹氫箟涓婚敭綰︽潫鎴栬呭敮涓鎬ч敭綰︽潫錛屼篃鍙互闂存帴鍒涘緩绱㈠紩銆備富閿害鏉熸槸涓縐嶄繚鎸佹暟鎹畬鏁存х殑閫昏緫錛屽畠闄愬埗琛ㄤ腑鐨勮褰曟湁鐩稿悓鐨勪富閿褰曘傚湪鍒涘緩涓婚敭綰︽潫鏃訛紝緋?/span> 緇熻嚜鍔ㄥ垱寤轟簡涓涓敮涓鎬х殑鑱氱皣绱㈠紩銆傝櫧鐒訛紝鍦ㄩ昏緫涓婏紝涓婚敭綰︽潫鏄竴縐嶉噸瑕佺殑緇撴瀯錛屼絾鏄紝鍦ㄧ墿鐞嗙粨鏋勪笂錛屼笌涓婚敭綰︽潫鐩稿搴旂殑緇撴瀯鏄敮涓鎬х殑鑱氱皣绱㈠紩銆傛崲鍙ヨ瘽 璇達紝鍦ㄧ墿鐞嗗疄鐜頒笂錛屼笉瀛樺湪涓婚敭綰︽潫錛岃屽彧瀛樺湪鍞竴鎬х殑鑱氱皣绱㈠紩銆傚悓鏍鳳紝鍦ㄥ垱寤哄敮涓鎬ч敭綰︽潫鏃訛紝涔熷悓鏃跺垱寤轟簡绱㈠紩錛岃繖縐嶇儲寮曞垯鏄敮涓鎬х殑闈炶仛綈囩儲寮曘傚洜姝わ紝 褰撲嬌鐢ㄧ害鏉熷垱寤虹儲寮曟椂錛岀儲寮曠殑綾誨瀷鍜岀壒寰佸熀鏈笂閮藉凡緇忕‘瀹氫簡錛岀敱鐢ㄦ埛瀹氬埗鐨勪綑鍦版瘮杈冨皬銆?/span>
褰撳湪琛ㄤ笂瀹氫箟涓婚敭鎴栬呭敮涓鎬ч敭綰︽潫鏃訛紝濡傛灉琛ㄤ腑宸茬粡鏈変簡浣跨敤CREATE INDEX璇彞鍒涘緩鐨勬爣鍑嗙儲寮曟椂錛岄偅涔堜富閿害鏉熸垨鑰呭敮涓鎬ч敭綰︽潫鍒涘緩鐨勭儲寮曡鐩栦互鍓嶅垱寤虹殑鏍囧噯绱㈠紩銆備篃灝辨槸璇達紝涓婚敭綰︽潫鎴栬呭敮涓鎬ч敭綰︽潫鍒涘緩鐨勭儲寮曠殑浼樺厛 綰ч珮浜庝嬌鐢?/span>CREATE INDEX璇彞鍒涘緩鐨勭儲寮曘?/span>
绱㈠紩鐨勭壒寰?/span>
绱㈠紩鏈変袱涓壒寰侊紝鍗沖敮涓鎬х儲寮曞拰澶嶅悎绱㈠紩銆?/span>
鍞竴鎬х儲寮曚繚璇佸湪绱㈠紩鍒椾腑鐨勫叏閮ㄦ暟鎹槸鍞竴鐨勶紝涓嶄細鍖呭惈鍐椾綑鏁版嵁銆傚鏋滆〃涓凡緇忔湁涓涓富閿害鏉熸垨鑰呭敮涓鎬ч敭綰︽潫錛岄偅涔堝綋鍒涘緩琛ㄦ垨鑰呬慨鏀硅〃鏃訛紝SQL Server鑷姩鍒涘緩涓涓敮涓鎬х儲寮曘傜劧鑰岋紝濡傛灉蹇呴』淇濊瘉鍞竴鎬э紝閭d箞搴旇鍒涘緩涓婚敭綰︽潫鎴栬呭敮涓鎬ч敭綰︽潫錛岃屼笉鏄垱寤轟竴涓敮涓鎬х儲寮曘傚綋鍒涘緩鍞竴鎬х儲寮?/span> 鏃訛紝搴旇璁ょ湡鑰冭檻榪欎簺瑙勫垯錛氬綋鍦ㄨ〃涓垱寤轟富閿害鏉熸垨鑰呭敮涓鎬ч敭綰︽潫鏃訛紝SQL Server鑷姩鍒涘緩涓涓敮涓鎬х儲寮曪紱濡傛灉琛ㄤ腑宸茬粡鍖呭惈鏈夋暟鎹紝閭d箞褰撳垱寤虹儲寮曟椂錛?/span>SQL Server媯鏌ヨ〃涓凡鏈夋暟鎹殑鍐椾綑鎬э紱姣忓綋浣跨敤鎻掑叆璇彞鎻掑叆鏁版嵁鎴栬呬嬌鐢ㄤ慨鏀硅鍙ヤ慨鏀規暟鎹椂錛?/span>SQL Server媯鏌ユ暟鎹殑鍐椾綑鎬э細濡傛灉鏈夊啑浣欏鹼紝閭d箞SQL Server鍙栨秷璇ヨ鍙ョ殑鎵ц錛屽茍涓旇繑鍥炰竴涓敊璇秷鎭紱紜繚琛ㄤ腑鐨勬瘡涓琛屾暟鎹兘鏈変竴涓敮涓鍊鹼紝榪欐牱鍙互紜繚姣忎竴涓疄浣撻兘鍙互鍞竴紜錛涘彧鑳藉湪鍙互淇濊瘉瀹炰綋 瀹屾暣鎬х殑鍒椾笂鍒涘緩鍞竴鎬х儲寮曪紝渚嬪錛屼笉鑳藉湪浜轟簨琛ㄤ腑鐨勫鍚嶅垪涓婂垱寤哄敮涓鎬х儲寮曪紝鍥犱負浜轟滑鍙互鏈夌浉鍚岀殑濮撳悕銆?/span>
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