锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#x4E9A;&#x6D32;&#x61;&#x4E2D;&#x6587;&#x5B57;&#x5E55;&#x2C;&#x4E00;&#x672C;&#x5728;&#x7EBF;&#x9AD8;&#x6E05;&#x4E0D;&#x5361;&#x64;&#x76;&#x64;&#x2C;&#x6B27;&#x7F8E;&#x7CBE;&#x54C1;&#x4E00;&#x533A;&#x4E8C;&#x533A;&#x4E09;&#x533A;&#x6DA9;&#x7231;&#x871C;</title><link>http://www.aygfsteel.com/imfisher/category/25226.html</link><description /><language>zh-cn</language><lastBuildDate>Sat, 25 Aug 2007 03:55:11 GMT</lastBuildDate><pubDate>Sat, 25 Aug 2007 03:55:11 GMT</pubDate><ttl>60</ttl><item><title>[杞琞InnoDB涓嶮yISAM琛ㄤ箣闂寸殑宸埆</title><link>http://www.aygfsteel.com/imfisher/archive/2007/08/24/139156.html</link><dc:creator>鎰氫漢</dc:creator><author>鎰氫漢</author><pubDate>Fri, 24 Aug 2007 10:05:00 GMT</pubDate><guid>http://www.aygfsteel.com/imfisher/archive/2007/08/24/139156.html</guid><wfw:comment>http://www.aygfsteel.com/imfisher/comments/139156.html</wfw:comment><comments>http://www.aygfsteel.com/imfisher/archive/2007/08/24/139156.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/imfisher/comments/commentRss/139156.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/imfisher/services/trackbacks/139156.html</trackback:ping><description><![CDATA[<p>InnoDB鍜孧yISAM鏄湪浣跨敤MySQL鏈�甯哥敤鐨勪袱涓〃綾誨瀷錛屽悇鏈変紭緙虹偣錛岃鍏蜂綋搴旂敤鑰屽畾銆備笅闈㈡槸宸茬煡鐨勪袱鑰呬箣闂寸殑宸埆錛屼粎渚涘弬鑰冦�?br>1.InnoDB涓嶆敮鎸丗ULLTEXT綾誨瀷鐨勭儲寮曘�?br>2.InnoDB涓笉淇濆瓨琛ㄧ殑鍏蜂綋琛屾暟錛屼篃灝辨槸璇達紝鎵цselect count(*) from table鏃訛紝InnoDB瑕佹壂鎻忎竴閬嶆暣涓〃鏉ヨ綆楁湁澶氬皯琛岋紝浣嗘槸MyISAM鍙綆�鍗曠殑璇誨嚭淇濆瓨濂界殑琛屾暟鍗沖彲銆傛敞鎰忕殑鏄紝褰揷ount(*)璇彞鍖呭惈where鏉′歡鏃訛紝涓ょ琛ㄧ殑鎿嶄綔鏄竴鏍風殑銆?br>3.瀵逛簬AUTO_INCREMENT綾誨瀷鐨勫瓧孌碉紝InnoDB涓繀欏誨寘鍚彧鏈夎瀛楁鐨勭儲寮曪紝浣嗘槸鍦∕yISAM琛ㄤ腑錛屽彲浠ュ拰鍏朵粬瀛楁涓�璧峰緩绔嬭仈鍚堢儲寮曘�?br>4.DELETE FROM table鏃訛紝InnoDB涓嶄細閲嶆柊寤虹珛琛紝鑰屾槸涓�琛屼竴琛岀殑鍒犻櫎銆?br>5.LOAD TABLE FROM MASTER鎿嶄綔瀵笽nnoDB鏄笉璧蜂綔鐢ㄧ殑錛岃В鍐蟲柟娉曟槸棣栧厛鎶奍nnoDB琛ㄦ敼鎴怣yISAM琛紝瀵煎叆鏁版嵁鍚庡啀鏀規垚InnoDB琛紝浣嗘槸瀵逛簬浣跨敤鐨勯澶栫殑InnoDB鐗規�э紙渚嬪澶栭敭錛夌殑琛ㄤ笉閫傜敤銆?/p>
<p>鍙﹀錛孖nnoDB琛ㄧ殑琛岄攣涔熶笉鏄粷瀵圭殑錛屽鏋滃湪鎵ц涓�涓猄QL璇彞鏃禡ySQL涓嶈兘紜畾瑕佹壂鎻忕殑鑼冨洿錛孖nnoDB琛ㄥ悓鏍蜂細閿佸叏琛紝渚嬪update table set num=1 where name like &#8220;%aaa%&#8221;</p>
<p>浠諱綍涓�縐嶈〃閮戒笉鏄竾鑳界殑錛屽彧鐢ㄦ伆褰撶殑閽堝涓氬姟綾誨瀷鏉ラ�夋嫨鍚堥�傜殑琛ㄧ被鍨嬶紝鎵嶈兘鏈�澶х殑鍙戞尌MySQL鐨勬�ц兘浼樺娍銆?br><br><br><strong><em>杞嚜</em></strong><a ><strong><em>http://www.goood.org/2006/12/05/innodb_and_myisam/</em></strong></a></p>
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