﻿<?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>BlogJava-真的有外星人吗？-随笔分类-mysql</title><link>http://www.blogjava.net/nokiaguy/category/31479.html</link><description>假如这个世界上只剩下你一个人，当你正坐在屋子里的时候，这时突然响起了敲门声，那么会是谁呢？</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>透视MySQL数据库之更新语句</title><link>http://www.blogjava.net/nokiaguy/archive/2008/06/01/205209.html</link><dc:creator>银河使者</dc:creator><author>银河使者</author><pubDate>Sun, 01 Jun 2008 13:01:00 GMT</pubDate><guid>http://www.blogjava.net/nokiaguy/archive/2008/06/01/205209.html</guid><wfw:comment>http://www.blogjava.net/nokiaguy/comments/205209.html</wfw:comment><comments>http://www.blogjava.net/nokiaguy/archive/2008/06/01/205209.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/nokiaguy/comments/commentRss/205209.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/nokiaguy/services/trackbacks/205209.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 用于操作数据库的SQL一般分为两种，一种是查询语句，也就是我们所说的SELECT语句，另外一种就是更新语句，也叫做数据操作语句。言外之意，就是对数据进行修改。在标准的SQL中有3个语句，它们是INSERT、UPDATE以及DELETE。在MySQL中又多了一个REPLACE语句，因此，本文以MySQL为背景来讨论如何使有SQL中的更新语句。 &nbsp;&nbsp;<a href='http://www.blogjava.net/nokiaguy/archive/2008/06/01/205209.html'>阅读全文</a><img src ="http://www.blogjava.net/nokiaguy/aggbug/205209.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/nokiaguy/" target="_blank">银河使者</a> 2008-06-01 21:01 <a href="http://www.blogjava.net/nokiaguy/archive/2008/06/01/205209.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>MySQL查询的性能优化</title><link>http://www.blogjava.net/nokiaguy/archive/2008/05/24/202533.html</link><dc:creator>银河使者</dc:creator><author>银河使者</author><pubDate>Sat, 24 May 2008 00:54:00 GMT</pubDate><guid>http://www.blogjava.net/nokiaguy/archive/2008/05/24/202533.html</guid><wfw:comment>http://www.blogjava.net/nokiaguy/comments/202533.html</wfw:comment><comments>http://www.blogjava.net/nokiaguy/archive/2008/05/24/202533.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.blogjava.net/nokiaguy/comments/commentRss/202533.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/nokiaguy/services/trackbacks/202533.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 查询是数据库技术中最常用的操作。查询操作的过程比较简单，首先从客户端发出查询的SQL语句，数据库服务端在接收到由客户端发来的SQL语句后，执行这条SQL语句，然后将查询到的结果返回给客户端。虽然过程很简单，但不同的查询方式和数据库设置，对查询的性能将会有很在的影响。因此，本文就在 MySQL中常用的查询优化技术进行讨论。&nbsp;&nbsp;<a href='http://www.blogjava.net/nokiaguy/archive/2008/05/24/202533.html'>阅读全文</a><img src ="http://www.blogjava.net/nokiaguy/aggbug/202533.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/nokiaguy/" target="_blank">银河使者</a> 2008-05-24 08:54 <a href="http://www.blogjava.net/nokiaguy/archive/2008/05/24/202533.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>