锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久99精品久久久久久水蜜桃,99久久婷婷国产一区二区,91精品婷婷国产综合久久http://www.shnenglu.com/AutomateProgram/category/16809.html褰撻煶涔愬拰浼犺鍦ㄦ繁澶滀腑娌夊瘋鍚庯紝紼嬪簭鐨勬瘡涓瓧絎﹁繕鍦ㄨ煩鍔紒zh-cnWed, 25 May 2011 09:09:39 GMTWed, 25 May 2011 09:09:39 GMT60Sql浼樺寲--SQL Server 绱㈠紩緇撴瀯鍙?qiáng)鍏朵娇鐢?/title><link>http://www.shnenglu.com/AutomateProgram/archive/2011/05/25/147076.html</link><dc:creator>婕傛紓</dc:creator><author>婕傛紓</author><pubDate>Wed, 25 May 2011 03:17:00 GMT</pubDate><guid>http://www.shnenglu.com/AutomateProgram/archive/2011/05/25/147076.html</guid><wfw:comment>http://www.shnenglu.com/AutomateProgram/comments/147076.html</wfw:comment><comments>http://www.shnenglu.com/AutomateProgram/archive/2011/05/25/147076.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/AutomateProgram/comments/commentRss/147076.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/AutomateProgram/services/trackbacks/147076.html</trackback:ping><description><![CDATA[鍘熸枃鍦板潃錛?a >http://www.vckbase.com/document/viewdoc/?id=1307</a><br /><br /><span style="widows: 2; text-transform: none; text-indent: 0px; border-collapse: separate; font: medium Simsun; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px" class="Apple-style-span"><span style="line-height: 24px; font-family: Tahoma; letter-spacing: 1px; font-size: 14px" class="Apple-style-span"> <p><strong>涓銆佹繁鍏ユ祬鍑虹悊瑙ｇ儲(chǔ)寮曠粨鏋?/strong><br /><br />銆銆瀹為檯涓婏紝鎮(zhèn)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(chǔ)寮曪細(xì)鑱氶泦绱㈠紩錛坈lustered index錛屼篃縐拌仛綾葷儲(chǔ)寮曘佺皣闆嗙儲(chǔ)寮曪級(jí)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(chǔ)寮曞拰闈炶仛闆嗙儲(chǔ)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(chǔ)寮曘傛瘮濡傦紝鎴戜滑瑕佹煡“瀹?#8221;瀛楋紝灝變細(xì)寰堣嚜鐒跺湴緲誨紑瀛楀吀鐨勫墠鍑犻〉錛屽洜涓?#8220;瀹?#8221;鐨勬嫾闊蟲槸“an”錛岃屾寜鐓ф嫾闊蟲帓搴忔眽瀛楃殑瀛楀吀鏄互鑻辨枃瀛楁瘝“a”寮澶村茍浠?#8220;z”緇撳熬鐨勶紝閭ｄ箞“瀹?#8221;瀛楀氨鑷劧鍦版帓鍦ㄥ瓧鍏哥殑鍓嶉儴銆傚鏋滄?zhèn)ň樥d畬浜嗘墍鏈変互“a”寮澶寸殑閮ㄥ垎浠嶇劧鎵句笉鍒拌繖涓瓧錛岄偅涔堝氨璇存槑鎮(zhèn)ㄧ殑瀛楀吀涓病鏈夎繖涓瓧錛涘悓鏍風(fēng)殑錛屽鏋滄煡“寮?#8221;瀛楋紝閭ｆ?zhèn)ㄤ篃浼?xì)灝嗘?zhèn)ㄧ殑瀛楀吀缈诲埌鏈鍚庨儴鍒嗭紝鍥犱負(fù)“寮?#8221;鐨勬嫾闊蟲槸“zhang”銆備篃灝辨槸璇達(dá)紝瀛楀吀鐨勬鏂囬儴鍒嗘湰韜氨鏄竴涓洰褰曪紝鎮(zhèn)ㄤ笉闇瑕佸啀鍘繪煡鍏朵粬鐩綍鏉ユ壘鍒版?zhèn)ㄩ渶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(fù)“鑱氶泦绱㈠紩”銆?br />銆銆濡傛灉鎮(zhèn)ㄨ璇嗘煇涓瓧錛屾?zhèn)ㄥ彲浠ュ揩閫熷湴浠庤嚜鍔ㄤ腑鏌ュ埌榪欎釜瀛椼備絾鎮(zhèn)ㄤ篃鍙兘浼?xì)閬囧埌鎮(zhèn)ㄤ笉璁よ瘑鐨勫瓧锛屼笉鐭ラ亾瀹冪殑鍙戦熁I紝榪欐椂鍊欙紝鎮(zhèn)ㄥ氨涓嶈兘鎸夌収鍒氭墠鐨勬柟娉曟壘鍒版?zhèn)ㄨ鏌ョ殑瀛楀Q岃岄渶瑕佸幓鏍規(guī)嵁“鍋忔梺閮ㄩ”鏌ュ埌鎮(zhèn)ㄨ鎵劇殑瀛楋紝鐒跺悗鏍規(guī)嵁榪欎釜瀛楀悗鐨勯〉鐮佺洿鎺ョ炕鍒版煇欏墊潵鎵懼埌鎮(zhèn)ㄨ鎵劇殑瀛椼備絾鎮(zhèn)ㄧ粨鍚?#8220;閮ㄩ鐩綍”鍜?#8220;媯(gè)瀛楄〃”鑰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(zhèn)ㄦ煡“寮?#8221;瀛楋紝鎴戜滑鍙互鐪嬪埌鍦ㄦ煡閮ㄩ涔嬪悗鐨勬瀛楄〃涓?#8220;寮?#8221;鐨勯〉鐮佹槸672欏碉紝媯(gè)瀛楄〃涓?#8220;寮?#8221;鐨勪笂闈㈡槸“椹?#8221;瀛楋紝浣嗛〉鐮佸嵈鏄?3欏碉紝“寮?#8221;鐨勪笅闈㈡槸“寮?#8221;瀛楋紝欏甸潰鏄?90欏點(diǎn)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“寮?#8221;瀛楃殑涓婁笅鏂癸紝鐜板湪鎮(zhèn)ㄧ湅鍒扮殑榪炵畫鐨?#8220;椹般佸紶銆佸緝”涓夊瓧瀹為檯涓婂氨鏄粬浠湪闈炶仛闆嗙儲(chǔ)寮曚腑鐨勬帓搴忥紝鏄瓧鍏告鏂囦腑鐨勫瓧鍦ㄩ潪鑱氶泦绱㈠紩涓殑鏄犲皠銆傛垜浠彲浠ラ氳繃榪欑鏂瑰紡鏉ユ壘鍒版?zhèn)ㄦ墍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?zhèn)ㄦ墍闇瑕佺殑欏電爜銆傛垜浠妸榪欑鐩綍綰補(bǔ)鏄洰褰曪紝姝ｆ枃綰補(bǔ)鏄鏂囩殑鎺掑簭鏂瑰紡縐頒負(fù)“闈炶仛闆嗙儲(chǔ)寮?#8221;銆?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“鑱氶泦绱㈠紩”鍜?#8220;闈炶仛闆嗙儲(chǔ)寮?#8221;銆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(chǔ)寮曪紝鍥犱負(fù)鐩綍鍙兘鎸夌収涓縐嶆柟娉曡繘琛屾帓搴忋?br /><br /><strong>浜屻佷綍鏃朵嬌鐢ㄨ仛闆嗙儲(chǔ)寮曟垨闈炶仛闆嗙儲(chǔ)寮?/strong><br /><br />涓嬮潰鐨勮〃鎬葷粨浜嗕綍鏃朵嬌鐢ㄨ仛闆嗙儲(chǔ)寮曟垨闈炶仛闆嗙儲(chǔ)寮曪紙寰堥噸瑕侊級(jí)錛?/p> <table style="line-height: 18pt; border-collapse: collapse; font-family: Tahoma; letter-spacing: 1px; color: rgb(0,0,0); font-size: 14px" id="AutoNumber1" border="1" cellspacing="0" cellpadding="0" width="62%" height="107"> <tbody> <tr> <td height="23" width="40%" align="center">鍔ㄤ綔鎻忚堪</td> <td height="23" width="29%" align="center">浣跨敤鑱氶泦绱㈠紩</td> <td height="23" width="31%" align="center">浣跨敤闈炶仛闆嗙儲(chǔ)寮?/td></tr> <tr> <td height="20" width="40%">鍒楃粡甯歌鍒嗙粍鎺掑簭</td> <td height="20" width="29%">搴?/td> <td height="20" width="31%">搴?/td></tr> <tr> <td height="20" width="40%">榪斿洖鏌愯寖鍥村唴鐨勬暟鎹?/td> <td height="20" width="29%">搴?/td> <td height="20" width="31%">涓嶅簲</td></tr> <tr> <td height="20" width="40%">涓涓垨鏋佸皯涓嶅悓鍊?/td> <td height="20" width="29%">涓嶅簲</td> <td height="20" width="31%">涓嶅簲</td></tr> <tr> <td height="20" width="40%">灝忔暟鐩殑涓嶅悓鍊?/td> <td height="20" width="29%">搴?/td> <td height="20" width="31%">涓嶅簲</td></tr> <tr> <td height="20" width="40%">澶ф暟鐩殑涓嶅悓鍊?/td> <td height="20" width="29%">涓嶅簲</td> <td height="20" width="31%">搴?/td></tr> <tr> <td height="20" width="40%">棰戠箒鏇存柊鐨勫垪</td> <td height="20" width="29%">涓嶅簲</td> <td height="20" width="31%">搴?/td></tr> <tr> <td height="20" width="40%">澶栭敭鍒?/td> <td height="20" width="29%">搴?/td> <td height="20" width="31%">搴?/td></tr> <tr> <td height="20" width="40%">涓婚敭鍒?/td> <td height="20" width="29%">搴?/td> <td height="20" width="31%">搴?/td></tr> <tr> <td height="20" width="40%">棰戠箒淇敼绱㈠紩鍒?/td> <td height="20" width="29%">涓嶅簲</td> <td height="20" width="31%">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?zhèn)ㄧ殑鏌愪釜琛ㄦ湁涓涓椂闂村垪錛屾伆濂芥?zhèn)ㄦ妸鑱氬悎鐑?chǔ)寮曞緩绔嬪湪浜嗚鍒楋紝榪欐椂鎮(zhèn)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?zhèn)ㄧ殑杩欐湰瀛楀吀姝ｆ枃鏄寜鏃ユ湡杩涜鎺掑簭鐨勫Q岃仛綾葷儲(chǔ)寮曞彧闇瑕佹壘鍒拌媯(gè)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(guī)暟鎹搴旂殑欏電爜錛岀劧鍚庡啀鏍規(guī)嵁欏電爜鏌ュ埌鍏蜂綋鍐呭銆?br /><br /><strong>涓夈佺粨鍚堝疄闄咃紝璋堢儲(chǔ)寮曚嬌鐢ㄧ殑璇尯</strong><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(chǔ)寮曟垨闈炶仛闆嗙儲(chǔ)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(guī)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(chǔ)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(chǔ)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(chǔ)寮曠殑銆?br />銆銆閫氬父錛屾垜浠細(xì)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(fù)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(fù)涓婚敭錛孲QL SERVER浼?xì)灏嗘鍒楅粯璁や给檨氶泦鐑?chǔ)寮曘傝繖鏍峰仛鏈夊ソ澶勶紝灝辨槸鍙互璁╂?zhèn)ㄧ殑鏁版嵁鍦ㄦ暟鎹簱涓寜鐓D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(chǔ)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?yōu)畯鏌ヨ鑼冨涍_(dá)紝閬垮厤鍏ㄨ〃鎵弿銆傚湪瀹為檯搴旂敤涓紝鍥犱負(fù)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(chǔ)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(chǔ)寮曚篃涓嶇鍚?#8220;澶ф暟鐩殑涓嶅悓鍊兼儏鍐典笅涓嶅簲寤虹珛鑱氬悎绱㈠紩”瑙勫垯錛涘綋鐒?dòng)灱寴q欑鎯呭喌鍙槸閽堝鐢ㄦ埛緇忓父淇敼璁板綍鍐呭錛岀壒鍒槸绱㈠紩欏圭殑鏃跺欎細(xì)璐熶綔鐢紝浣嗗浜庢煡璇㈤熷害騫舵病鏈夊獎(jiǎng)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(fēng)鏀剁殑鏂囦歡銆佷細(xì)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“鏃ユ湡”榪樻湁鐢ㄦ埛鏈韓鐨?#8220;鐢ㄦ埛鍚?#8221;銆?br />銆銆閫氬父錛屽姙鍏嚜鍔ㄥ寲鐨勯欏典細(xì)鏄劇ず姣忎釜鐢ㄦ埛灝氭湭絳炬敹鐨勬枃浠舵垨浼?xì)璁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?zhèn)ㄧ殑绯痪l熷凡寤虹珛浜嗗緢闀挎椂闂達(dá)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“鏃ユ湡”榪欎釜瀛楁鏉ラ檺鍒惰〃鎵弿錛屾彁楂樻煡璇㈤熷害銆傚鏋滄?zhèn)ㄧ殑鍔炲叕鑷姩鍖柧p葷粺宸茬粡寤虹珛鐨?騫達(dá)紝閭ｄ箞鎮(zhèn)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?#8220;鐞嗚涓?#8221;涓夊瓧錛屾槸鍥犱負(fù)濡傛灉鎮(zhèn)ㄧ殑鑱氶泦绱㈠紩榪樻槸鐩茬洰鍦板緩鍦↖D榪欎釜涓婚敭涓婃椂錛屾?zhèn)ㄧ殑鏌ヨ閫熷害鏄病鏈夎繖涔堥珮鐨勶紝鍗充嬌鎮(zhèn)ㄥ湪“鏃ユ湡”榪欎釜瀛楁涓婂緩绔嬬殑绱㈠紩錛堥潪鑱氬悎绱㈠紩錛夈備笅闈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(xì)<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(xì)</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(jí)<br /><br />錛?錛夊湪涓婚敭涓婂緩绔嬭仛闆嗙儲(chǔ)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(jí)<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(jí)<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?zhèn)ㄧ殑鏁版嵁搴撶湡鐨勬?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(guī)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(chǔ)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(chǔ)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(chǔ)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(xì)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(chǔ)寮曡姹傜殑錛?#8220;鏃笉鑳界粷澶у鏁伴兘鐩稿悓錛屽張涓嶈兘鍙湁鏋佸皯鏁扮浉鍚?#8221;鐨勮鍒欍傜敱姝ょ湅鏉ワ紝鎴戜滑寤虹珛“閫傚綋”鐨勮仛鍚堢儲(chǔ)寮曞浜庢垜浠彁楂樻煡璇㈤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“鏃ユ湡”榪樻湁鐢ㄦ埛鏈韓鐨?#8220;鐢ㄦ埛鍚?#8221;銆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(chǔ)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(chǔ)寮曞瓧孌靛垎寮鏌ヨ錛岄偅涔堟煡璇㈤熷害浼?xì)鍑忔參鍚楀Q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(xì)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(xì)</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(chǔ)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(fēng)殑錛岀敋鑷蟲瘮鐢ㄤ笂鍏ㄩ儴鐨勫鍚堢儲(chǔ)寮曞垪榪樿鐣ュ揩錛堝湪鏌ヨ緇撴灉闆嗘暟鐩竴鏍風(fēng)殑鎯呭喌涓嬶級(jí)錛涜屽鏋滀粎鐢ㄥ鍚堣仛闆嗙儲(chǔ)寮曠殑闈炶搗濮嬪垪浣滀負(fù)鏌ヨ鏉′歡鐨勮瘽錛岃繖涓儲(chǔ)寮曟槸涓嶈搗浠諱綍浣滅敤鐨勩傚綋鐒?dòng)灱岃鍙?銆?鐨勬煡璇㈤熷害涓鏍鋒槸鍥犱負(fù)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(xì)褰㈡垚“绱㈠紩瑕嗙洊”錛屽洜鑰屾ц兘鍙互杈懼埌鏈浼樸傚悓鏃訛紝璇瘋浣忥細(xì)鏃犺鎮(zhèn)ㄦ槸鍚︾粡甯鎬嬌鐢ㄨ仛鍚堢儲(chǔ)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 /><strong>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</strong><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(xì)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(fù)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(chǔ)寮曞唴鐨勬椂闂存錛屾悳绱㈡椂闂翠細(xì)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(chǔ)寮曚嬌鐢ㄤ簡澶氬皯涓細(xì)</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(fēng)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(xì)鍥犱負(fù)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 /><strong>浜斻佸叾浠栨敞鎰忎簨欏?/strong><br /><br />銆銆“姘村彲杞借垷錛屼害鍙鑸?#8221;錛岀儲(chǔ)寮曚篃涓鏍楓傜儲(chǔ)寮曟湁鍔╀簬鎻愰珮?gòu)個(gè)绱㈡ц兘錛屼絾榪囧鎴栦笉褰撶殑绱㈠紩涔熶細(xì)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(chǔ)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?xì)瀵艰嚧鐑?chǔ)寮曠鐗囥?br />銆銆鎵浠ヨ錛屾垜浠寤虹珛涓涓?#8220;閫傚綋”鐨勭儲(chǔ)寮曚綋緋伙紝鐗瑰埆鏄鑱氬悎绱㈠紩鐨勫垱寤猴紝鏇村簲綺劇泭姹傜簿錛屼互浣挎?zhèn)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(fù)涓涓敖鑱岀殑鏁版嵁搴撶鐞嗗憳錛屾?zhèn)q樿澶氭祴璇曚竴浜涙柟妗堬紝鎵懼嚭鍝鏂規(guī)鏁堢巼鏈楂樸佹渶涓烘湁鏁堛?/p></span></span><img src ="http://www.shnenglu.com/AutomateProgram/aggbug/147076.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/AutomateProgram/" target="_blank">婕傛紓</a> 2011-05-25 11:17 <a href="http://www.shnenglu.com/AutomateProgram/archive/2011/05/25/147076.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>ubuntu閬垮厤mysql涓枃涔辯爜http://www.shnenglu.com/AutomateProgram/archive/2011/05/03/145558.html婕傛紓婕傛紓Tue, 03 May 2011 05:36:00 GMThttp://www.shnenglu.com/AutomateProgram/archive/2011/05/03/145558.htmlhttp://www.shnenglu.com/AutomateProgram/comments/145558.htmlhttp://www.shnenglu.com/AutomateProgram/archive/2011/05/03/145558.html#Feedback0http://www.shnenglu.com/AutomateProgram/comments/commentRss/145558.htmlhttp://www.shnenglu.com/AutomateProgram/services/trackbacks/145558.html鍦║buntu 涓嬮厤緗?Mysql 鐨勫瓧絎︾紪鐮併傚畨瑁呭畬 Mysql 鍚庯紝緋葷粺榛樿鐨勫瓧絎︾紪鐮佹槸 latin1 錛岃緭鍏ョ殑鏄腑鏂囷紝鍙槸杈撳嚭鍗存槸涓鍫嗕貢鐮併傜幇鍦ㄨ鍋氱殑灝辨槸鎶?Mysql鐨勯粯璁ゅ瓧絎︾紪鐮佽緗負(fù)鏀寔涓枃鐨勭紪鐮侊紝濡?GBK銆丟B23112銆佺瓑銆?br clear=none>    緙栬緫mysql鐨勯厤緗枃浠?etc/mysql/my.conf 銆?/span>

鍦╗mysql] 鐨勪笅闈㈠姞涓?default-character-set=utf8 榪欎竴孌典唬鐮併?/span>

 鍦╗client] 鐨勪笅闈㈠姞涓?default-character-set=utf8 榪欎竴孌典唬鐮併?/span>

鍦?[mysqld] 涓嬮潰鍔犱笂 default-character-set=utf8   init_connect='SET NAMES utf8' 榪欎咯孌典唬鐮併?/span>

淇濆瓨鏂囦歡錛岄噸鍚姩mysql:/etc/init.d/mysql restart


鍦ㄥ垱寤鴻〃鏃剁敤濡備笅鍛戒護(hù)錛?br> CREATE TABLE mytable (name VARCHAR(20), sex CHAR(1), birth DATE, birthaddr VARCHAR(20)) DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;

婕傛紓 2011-05-03 13:36 鍙戣〃璇勮
]]> 久久久久久久97| 久久91精品国产91久| 99久久精品毛片免费播放| 久久精品国产99久久久香蕉| 久久精品国产亚洲AV久| 狠狠综合久久AV一区二区三区| 国产精品一久久香蕉国产线看观看| 国产激情久久久久影院小草| 久久青青草原精品国产| 久久伊人五月丁香狠狠色| 久久棈精品久久久久久噜噜| 久久99精品国产99久久6| 国产亚洲欧美成人久久片| 东方aⅴ免费观看久久av| 久久中文字幕一区二区| 国产三级久久久精品麻豆三级| 中文字幕亚洲综合久久2| 91精品国产综合久久精品| 亚洲欧美日韩久久精品| 精品久久久久久99人妻| 亚洲国产精品无码久久98| 狠狠色综合网站久久久久久久高清| 国产精品久久久久久搜索| 亚洲欧美国产日韩综合久久| 久久综合香蕉国产蜜臀AV| 91精品国产高清久久久久久io| 日韩十八禁一区二区久久 | 99久久无色码中文字幕人妻| 国产午夜福利精品久久| 久久福利青草精品资源站免费| 无码人妻久久一区二区三区 | 久久精品视频网| 久久久久亚洲AV成人片| 亚洲日本va中文字幕久久| 亚洲一区精品伊人久久伊人| 久久久久无码国产精品不卡| 亚洲国产精久久久久久久| 久久亚洲综合色一区二区三区| 亚洲AV无码久久精品色欲| 亚洲AV日韩精品久久久久久| 国内精品九九久久精品|