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	<title>tunning &#8211; love wife love life —Roger的Oracle/MySQL/PostgreSQL数据恢复博客</title>
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		<title>_optimizer_null_aware_antijoin引发的SQL性能问题</title>
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				<pubDate>Sun, 19 Apr 2015 06:42:35 +0000</pubDate>
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		<title>怪异的SQL执行计划</title>
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		<title>about subquery unnest/push pred</title>
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				<pubDate>Sun, 28 Apr 2013 06:54:50 +0000</pubDate>
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		<title>flashback_transaction_query 查询慢的问题</title>
		<link>http://www.killdb.com/2012/11/20/flashback_transaction_query-%e6%9f%a5%e8%af%a2%e6%85%a2%e7%9a%84%e9%97%ae%e9%a2%98/</link>
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				<pubDate>Tue, 20 Nov 2012 17:34:53 +0000</pubDate>
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		<title>使用sql profle进行偷梁换柱的小例子&#8211;outline exchange(续)</title>
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				<pubDate>Sun, 16 Sep 2012 10:34:45 +0000</pubDate>
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		<title>使用sql profle进行偷梁换柱的小例子</title>
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		<title>stripe /block size/db_file_multiblock_read_count</title>
		<link>http://www.killdb.com/2012/09/01/strip-block-sizedb_file_multiblock_read_count/</link>
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				<pubDate>Sat, 01 Sep 2012 15:24:44 +0000</pubDate>
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		<title>10g中distinct加强以及anti jion,semi jion</title>
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				<pubDate>Wed, 20 Jun 2012 02:37:19 +0000</pubDate>
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		<title>一次3 node Rac tunning</title>
		<link>http://www.killdb.com/2012/06/13/%e4%b8%80%e6%ac%a13-node-rac-tunning/</link>
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		<title>深入解析参数 OPTIMIZER_DYNAMIC_SAMPLING</title>
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				<pubDate>Thu, 12 Apr 2012 07:14:16 +0000</pubDate>
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