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	<title>雾松萌石 &#187; SQL</title>
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		<title>ContextSwitchDeadlock was detected</title>
		<link>http://mmlst.com/2009/05/07/contextswitchdeadlock-was-detected/</link>
		<comments>http://mmlst.com/2009/05/07/contextswitchdeadlock-was-detected/#comments</comments>
		<pubDate>Thu, 07 May 2009 03:54:27 +0000</pubDate>
		<dc:creator>mmlst</dc:creator>
				<category><![CDATA[C#]]></category>
		<category><![CDATA[SQL]]></category>

		<guid isPermaLink="false">http://mmlst.com/?p=122</guid>
		<description><![CDATA[在运行C#程序的时候得到如下错误信息：
The CLR has been unable to transition from COM context 0&#215;197060 to COM context 0&#215;196ef0 for 60 seconds. The thread that owns the destination context/apartment is most likely either doing a non pumping wait or processing a very long running operation without pumping Windows messages. This situation generally has a negative performance impact and may [...]]]></description>
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		<title>SQL SERVER 2005中复制一个表的数据到另外一个表的时候出现的一个问题</title>
		<link>http://mmlst.com/2009/02/18/sql-server-2005%e4%b8%ad%e5%a4%8d%e5%88%b6%e4%b8%80%e4%b8%aa%e8%a1%a8%e7%9a%84%e6%95%b0%e6%8d%ae%e5%88%b0%e5%8f%a6%e5%a4%96%e4%b8%80%e4%b8%aa%e8%a1%a8%e7%9a%84%e6%97%b6%e5%80%99%e5%87%ba%e7%8e%b0/</link>
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		<pubDate>Wed, 18 Feb 2009 00:43:47 +0000</pubDate>
		<dc:creator>mmlst</dc:creator>
				<category><![CDATA[SQL]]></category>

		<guid isPermaLink="false">http://mmlst.com/?p=113</guid>
		<description><![CDATA[问题显示：Cannot insert the value NULL into column &#8221;, table &#8221;; column does not allow nulls. INSERT fails.
解决办法：
在Table中，找到提示的Column，修改它的属性为：
allow Nulls=N
Identity = Y
Identity seed = 1
Identity increment = 1
]]></description>
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