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	<title>Comments on: 通过改变SQL来简化工作, 减轻工作量(一)</title>
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	<link>http://www.anysql.net/dba/dba_sql_tuning01.html</link>
	<description>Oracle DBA,MySQL DBA, 数据恢复, 数据迁移, 报表软件, 性能优化, 系统监控</description>
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		<title>By: songhefei</title>
		<link>http://www.anysql.net/dba/dba_sql_tuning01.html/comment-page-1#comment-70</link>
		<dc:creator>songhefei</dc:creator>
		<pubDate>Sun, 01 Oct 2006 01:12:12 +0000</pubDate>
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		<description>好方法！其实有的时候，精细之处更体现水平　！
</description>
		<content:encoded><![CDATA[<p>好方法！其实有的时候，精细之处更体现水平　！</p>
]]></content:encoded>
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	<item>
		<title>By: rollingpig</title>
		<link>http://www.anysql.net/dba/dba_sql_tuning01.html/comment-page-1#comment-69</link>
		<dc:creator>rollingpig</dc:creator>
		<pubDate>Tue, 26 Sep 2006 18:50:43 +0000</pubDate>
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		<description>这种情况
我习惯用 sum(case when .. then 1 else 0 ) 来做……
</description>
		<content:encoded><![CDATA[<p>这种情况<br />
我习惯用 sum(case when .. then 1 else 0 ) 来做……</p>
]]></content:encoded>
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	<item>
		<title>By: xzh</title>
		<link>http://www.anysql.net/dba/dba_sql_tuning01.html/comment-page-1#comment-68</link>
		<dc:creator>xzh</dc:creator>
		<pubDate>Mon, 18 Sep 2006 23:46:56 +0000</pubDate>
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		<description>不错，独出心裁。。。
</description>
		<content:encoded><![CDATA[<p>不错，独出心裁。。。</p>
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