ï»??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>&#20037;&#33609;&#35270;&#39057;&#22312;&#32447;&#30475;&#44;&#20122;&#27954;&#22312;&#32447;&#36164;&#28304;&#44;&#22269;&#20135;&#31934;&#21697;&#35270;&#39057;&#19968;&#21306;&#20108;&#21306;&#19977;&#21306;&#22235;&#34588;&#33218;</title><link>http://www.aygfsteel.com/nokiaguy/category/31479.html</link><description>å�‡å¦‚˜q™ä¸ªä¸–界上å�ªå‰©ä¸‹ä½ ä¸€ä¸ªä�håQŒå½“ä½ æ­£å��在屋å­�里的时候，˜q™æ—¶½H�然å“�è“v了敲门声åQŒé‚£ä¹ˆä¼šæ˜¯è°�呢？</description><language>zh-cn</language><lastBuildDate>Sun, 01 Jun 2008 14:12:51 GMT</lastBuildDate><pubDate>Sun, 01 Jun 2008 14:12:51 GMT</pubDate><ttl>60</ttl><item><title>é€�视MySQLæ•°æ�®åº“之更新语å�¥</title><link>http://www.aygfsteel.com/nokiaguy/archive/2008/06/01/205209.html</link><dc:creator>银河使è€?/dc:creator><author>银河使è€?/author><pubDate>Sun, 01 Jun 2008 13:01:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2008/06/01/205209.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/205209.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2008/06/01/205209.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/205209.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/205209.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘è¦�: 用于æ“�作数æ�®åº“çš„SQL一般分ä¸ÞZ¸¤¿U�，一¿U�是查询语å�¥åQŒä¹Ÿž®±æ˜¯æˆ‘们所说的SELECT语å�¥åQŒå�¦å¤–一¿U�就是更新语å�¥ï¼Œä¹Ÿå�«å�šæ•°æ�®æ“�作语å�¥ã€‚言外之æ„�，ž®±æ˜¯å¯ÒŽ•°æ�®è¿›è¡Œä¿®æ”�V€‚在标准的SQL中有3个语å�¥ï¼Œå®ƒä»¬æ˜¯INSERTã€�UPDATE以å�ŠDELETE。在MySQL中å�ˆå¤šäº†ä¸€ä¸ªREPLACE语å�¥åQŒå› æ­¤ï¼Œæœ¬æ–‡ä»¥MySQLä¸ø™ƒŒæ™¯æ�¥è®¨è®ºå¦‚何使有SQL中的更新语å�¥ã€?&nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2008/06/01/205209.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/205209.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使è€?/a> 2008-06-01 21:01 <a href="http://www.aygfsteel.com/nokiaguy/archive/2008/06/01/205209.html#Feedback" target="_blank" style="text-decoration:none;">å�‘表评论</a></div>]]></description></item><item><title>MySQL查询的性能优化</title><link>http://www.aygfsteel.com/nokiaguy/archive/2008/05/24/202533.html</link><dc:creator>银河使è€?/dc:creator><author>银河使è€?/author><pubDate>Sat, 24 May 2008 00:54:00 GMT</pubDate><guid>http://www.aygfsteel.com/nokiaguy/archive/2008/05/24/202533.html</guid><wfw:comment>http://www.aygfsteel.com/nokiaguy/comments/202533.html</wfw:comment><comments>http://www.aygfsteel.com/nokiaguy/archive/2008/05/24/202533.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.aygfsteel.com/nokiaguy/comments/commentRss/202533.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/nokiaguy/services/trackbacks/202533.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘è¦�: 查询是数æ�®åº“技术中最常用的æ“�作。查询æ“�作的˜q‡ç¨‹æ¯”较½Ž€å�•ï¼Œé¦–先从客æˆïL«¯å�‘出查询的SQL语å�¥åQŒæ•°æ�®åº“æœ�务端在接收到由客户端å�‘æ�¥çš„SQL语å�¥å�Žï¼Œæ‰§è¡Œ˜q™æ�¡SQL语å�¥åQŒç„¶å�Žå°†æŸ¥è¯¢åˆ°çš„¾l“æžœ˜q”回¾l™å®¢æˆïL«¯ã€‚虽然过½E‹å¾ˆ½Ž€å�•ï¼Œä½†ä¸�å�Œçš„查询方å¼�和数æ�®åº“讄¡½®åQŒå¯¹æŸ¥è¯¢çš„性能ž®†ä¼šæœ‰å¾ˆåœ¨çš„å½±å“�。因此，本文ž®±åœ¨ MySQL中常用的查询优化技术进行讨论ã€?nbsp;&nbsp;<a href='http://www.aygfsteel.com/nokiaguy/archive/2008/05/24/202533.html'>阅读全文</a><img src ="http://www.aygfsteel.com/nokiaguy/aggbug/202533.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/nokiaguy/" target="_blank">银河使è€?/a> 2008-05-24 08:54 <a href="http://www.aygfsteel.com/nokiaguy/archive/2008/05/24/202533.html#Feedback" target="_blank" style="text-decoration:none;">å�‘表评论</a></div>]]></description></item></channel></rss>         <footer>
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