﻿<?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>博客园-Persuit perfect-最新评论</title><link>http://www.cnblogs.com/tearelish/CommentsRSS.aspx</link><description>step by step,try my best</description><language>zh-cn</language><pubDate>Tue, 19 Aug 2008 14:08:11 GMT</pubDate><lastBuildDate>Tue, 19 Aug 2008 14:08:11 GMT</lastBuildDate><generator>cnblogs</generator><item><title>re: 索引的重建</title><link>http://www.cnblogs.com/tearelish/archive/2008/08/19/1271694.html#1291720</link><dc:creator>Cheney Shue</dc:creator><author>Cheney Shue</author><pubDate>Tue, 19 Aug 2008 13:05:30 GMT</pubDate><guid>http://www.cnblogs.com/tearelish/archive/2008/08/19/1271694.html#1291720</guid><description><![CDATA[有多种情况，oracle optimizer不使用索引，而使用table scan。一般情况下，更新表的统计信息，或者在查询语句中使用hint可以影响执行计划。<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/tearelish/" target="_blank">Cheney Shue</a> 2008-08-19 21:05 <a href="http://www.cnblogs.com/tearelish/archive/2008/08/19/1271694.html#1291720#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>
