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	<title>imitatio creatio &#187; trick</title>
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		<title>column number as column alias in postgres</title>
		<link>http://filip.rembialkowski.net/column-number-as-column-alias-in-postgres/</link>
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		<pubDate>Mon, 08 Dec 2008 15:21:30 +0000</pubDate>
		<dc:creator>filip</dc:creator>
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		<category><![CDATA[databases]]></category>
		<category><![CDATA[postgres]]></category>
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		<description><![CDATA[I have seen such queries many times: SELECT foo, bar, (some long and complicated SQL subexpression), count(*) FROM somewhere GROUP BY foo,bar, (some long and complicated SQL subexpression) ORDER BY count(*) DESC This has some drawbacks: you have to repeat exactly the same expression two times, which makes query longer it is easier to make [...]]]></description>
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