﻿<?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-Knight of the round table-文章分类-Ideas</title><link>http://www.blogjava.net/wansong/category/45992.html</link><description>wansong</description><language>zh-cn</language><lastBuildDate>Wed, 20 Oct 2010 14:20:18 GMT</lastBuildDate><pubDate>Wed, 20 Oct 2010 14:20:18 GMT</pubDate><ttl>60</ttl><item><title>opentaps Open Source ERP + CRM</title><link>http://www.blogjava.net/wansong/articles/335349.html</link><dc:creator>w@ns0ng</dc:creator><author>w@ns0ng</author><pubDate>Sun, 17 Oct 2010 03:44:00 GMT</pubDate><guid>http://www.blogjava.net/wansong/articles/335349.html</guid><wfw:comment>http://www.blogjava.net/wansong/comments/335349.html</wfw:comment><comments>http://www.blogjava.net/wansong/articles/335349.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/wansong/comments/commentRss/335349.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/wansong/services/trackbacks/335349.html</trackback:ping><description><![CDATA[http://www.opentaps.org/<br />
<br />
<a href="/blog/665616">opentaps 1.4 连接 mysql 笔记</a><br />
http://surpass-li.javaeye.com/blog/665616<br />
<br />
<a href="/blog/664048">OFBiz功能列表 </a><br />
http://surpass-li.javaeye.com/blog/664048
<img src ="http://www.blogjava.net/wansong/aggbug/335349.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/wansong/" target="_blank">w@ns0ng</a> 2010-10-17 11:44 <a href="http://www.blogjava.net/wansong/articles/335349.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>优化数据库</title><link>http://www.blogjava.net/wansong/articles/329475.html</link><dc:creator>w@ns0ng</dc:creator><author>w@ns0ng</author><pubDate>Fri, 20 Aug 2010 07:45:00 GMT</pubDate><guid>http://www.blogjava.net/wansong/articles/329475.html</guid><wfw:comment>http://www.blogjava.net/wansong/comments/329475.html</wfw:comment><comments>http://www.blogjava.net/wansong/articles/329475.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/wansong/comments/commentRss/329475.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/wansong/services/trackbacks/329475.html</trackback:ping><description><![CDATA[1. 表的索引。场景：一个大量记录的表，索引name字段，然后根据name查询。2，如果另一个表关联这个表，索引这个的主键，然后做关联查询，是否提高效率，问题：如果这个的主键是long，记录一般做递增，做主键索引是否对性能有所帮助。
 <img src ="http://www.blogjava.net/wansong/aggbug/329475.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/wansong/" target="_blank">w@ns0ng</a> 2010-08-20 15:45 <a href="http://www.blogjava.net/wansong/articles/329475.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>