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	<title>SQL Server Performance &#187; COLUMNS</title>
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		<title>Decode  COLUMNS_UPDATED ()</title>
		<link>http://www.sql-server-performance.com/2011/columns-updated-bit-decode/</link>
		<comments>http://www.sql-server-performance.com/2011/columns-updated-bit-decode/#comments</comments>
		<pubDate>Sun, 16 Jan 2011 01:12:50 +0000</pubDate>
		<dc:creator>SSPAdmin</dc:creator>
				<category><![CDATA[General DBA]]></category>
		<category><![CDATA[bit mask]]></category>
		<category><![CDATA[column id]]></category>
		<category><![CDATA[COLUMNS]]></category>
		<category><![CDATA[ColumnsUpdated]]></category>
		<category><![CDATA[COLUMNS_UPDATED]]></category>
		<category><![CDATA[substring function]]></category>
		<category><![CDATA[T-SQL]]></category>
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		<description><![CDATA[SQL Server has the ability to provide the information on&#160; specific columns which&#160; been modified by triggers, by using the COLUMNS_UPDATED function. COLUMNS_UPDATED is an in-built function of SQL server that helps to identify the columns in the table or view that were inserted or updated. COLUMNS_UPDATED returns a varbinary bit pattern showing which columns [...]]]></description>
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