<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
		>
<channel>
	<title>评论：Sql Tips——Update语句也使用表别名(Table Alias)</title>
	<atom:link href="http://www.imkevinyang.com/2010/07/sql-tipsupdate%e8%af%ad%e5%8f%a5%e4%b9%9f%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%ab%e5%90%8dtable-alias.html/feed" rel="self" type="application/rss+xml" />
	<link>http://www.imkevinyang.com/2010/07/sql-tipsupdate%e8%af%ad%e5%8f%a5%e4%b9%9f%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%ab%e5%90%8dtable-alias.html</link>
	<description>It&#039;s all about sharing</description>
	<lastBuildDate>Wed, 08 Feb 2012 14:55:39 +0000</lastBuildDate>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
	<item>
		<title>由：Kevin Yang</title>
		<link>http://www.imkevinyang.com/2010/07/sql-tipsupdate%e8%af%ad%e5%8f%a5%e4%b9%9f%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%ab%e5%90%8dtable-alias.html/comment-page-1#comment-1368</link>
		<dc:creator>Kevin Yang</dc:creator>
		<pubDate>Sat, 19 Nov 2011 14:37:16 +0000</pubDate>
		<guid isPermaLink="false">http://www.imkevinyang.com/2010/07/sql-tipsupdate%e8%af%ad%e5%8f%a5%e4%b9%9f%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%ab%e5%90%8dtable-alias.html#comment-1368</guid>
		<description>where条件不成立的，在连表的阶段中就会过滤掉这条记录，自然也就不更新了。</description>
		<content:encoded><![CDATA[<p>where条件不成立的，在连表的阶段中就会过滤掉这条记录，自然也就不更新了。</p>
]]></content:encoded>
	</item>
	<item>
		<title>由：Joe</title>
		<link>http://www.imkevinyang.com/2010/07/sql-tipsupdate%e8%af%ad%e5%8f%a5%e4%b9%9f%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%ab%e5%90%8dtable-alias.html/comment-page-1#comment-1366</link>
		<dc:creator>Joe</dc:creator>
		<pubDate>Sat, 19 Nov 2011 04:30:20 +0000</pubDate>
		<guid isPermaLink="false">http://www.imkevinyang.com/2010/07/sql-tipsupdate%e8%af%ad%e5%8f%a5%e4%b9%9f%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%ab%e5%90%8dtable-alias.html#comment-1366</guid>
		<description>&lt;code&gt;where T2.&lt;/code&gt;&lt;code&gt;Index&lt;/code&gt; &lt;code&gt;= T1.&lt;/code&gt;&lt;code&gt;Index&lt;/code&gt; &lt;code&gt;+ 1 index&lt;/code&gt;
这个是不成立，更新操作就不执行？</description>
		<content:encoded><![CDATA[<p><code>where T2.</code><code>Index</code> <code>= T1.</code><code>Index</code> <code>+ 1 index</code><br />
这个是不成立，更新操作就不执行？</p>
]]></content:encoded>
	</item>
	<item>
		<title>由：Kevin Yang</title>
		<link>http://www.imkevinyang.com/2010/07/sql-tipsupdate%e8%af%ad%e5%8f%a5%e4%b9%9f%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%ab%e5%90%8dtable-alias.html/comment-page-1#comment-1363</link>
		<dc:creator>Kevin Yang</dc:creator>
		<pubDate>Tue, 15 Nov 2011 12:14:20 +0000</pubDate>
		<guid isPermaLink="false">http://www.imkevinyang.com/2010/07/sql-tipsupdate%e8%af%ad%e5%8f%a5%e4%b9%9f%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%ab%e5%90%8dtable-alias.html#comment-1363</guid>
		<description>可以呀</description>
		<content:encoded><![CDATA[<p>可以呀</p>
]]></content:encoded>
	</item>
	<item>
		<title>由：Joe</title>
		<link>http://www.imkevinyang.com/2010/07/sql-tipsupdate%e8%af%ad%e5%8f%a5%e4%b9%9f%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%ab%e5%90%8dtable-alias.html/comment-page-1#comment-1362</link>
		<dc:creator>Joe</dc:creator>
		<pubDate>Fri, 11 Nov 2011 15:11:53 +0000</pubDate>
		<guid isPermaLink="false">http://www.imkevinyang.com/2010/07/sql-tipsupdate%e8%af%ad%e5%8f%a5%e4%b9%9f%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%ab%e5%90%8dtable-alias.html#comment-1362</guid>
		<description>&lt;code&gt;
&lt;/code&gt;



&lt;code&gt;TableA T1, TableA T2&lt;/code&gt;






&lt;code&gt;whereT2.&lt;/code&gt;&lt;code&gt;Index&lt;/code&gt; &lt;code&gt;= T1.&lt;/code&gt;&lt;code&gt;Index&lt;/code&gt; &lt;code&gt;+ 1  index自己 = 自己+1 可以行么？&lt;/code&gt;


</description>
		<content:encoded><![CDATA[<p><code><br />
</code></p>
<p><code>TableA T1, TableA T2</code></p>
<p><code>whereT2.</code><code>Index</code> <code>= T1.</code><code>Index</code> <code>+ 1  index自己 = 自己+1 可以行么？</code></p>
]]></content:encoded>
	</item>
</channel>
</rss>

<!-- Performance optimized by W3 Total Cache. Learn more: http://www.w3-edge.com/wordpress-plugins/

Page Caching using disk: enhanced

Served from: www.imkevinyang.com @ 2012-02-09 16:52:54 -->
