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	<title>select * from depesz; &#187; domain</title>
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		<title>CHAR(x) vs. VARCHAR(x) vs. VARCHAR vs. TEXT &#8211; UPDATED 2010-03-03</title>
		<link>http://www.depesz.com/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/</link>
		<comments>http://www.depesz.com/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/#comments</comments>
		<pubDate>Tue, 02 Mar 2010 11:33:56 +0000</pubDate>
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		<guid isPermaLink="false">http://www.depesz.com/?p=1610</guid>
		<description><![CDATA[Fight! But more seriously &#8211; people tend to use various data types, and there have been some myths about them, so let&#8217;s see how it really boils down. First of all &#8211; All those data types are internally saved using the same C data structure &#8211; varlena. Thanks to this we can be nearly sure [...]]]></description>
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		<slash:comments>39</slash:comments>
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		<title>Getting list of most common domains</title>
		<link>http://www.depesz.com/2008/12/01/getting-list-of-most-common-domains/</link>
		<comments>http://www.depesz.com/2008/12/01/getting-list-of-most-common-domains/#comments</comments>
		<pubDate>Sun, 30 Nov 2008 22:03:02 +0000</pubDate>
		<dc:creator>depesz</dc:creator>
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		<guid isPermaLink="false">http://www.depesz.com/?p=1330</guid>
		<description><![CDATA[Today, on #postgresql on IRC, guy (can&#8217;t contact him now to get his permission to name him), said: I have a table called problematic_hostnames. It contains a list of banned hostnames in column &#8220;hostname&#8221; (varchar). I would like to display the top 10 troll ISPs based on this. Does PG have a way of spotting [...]]]></description>
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		<slash:comments>4</slash:comments>
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		<title>Text comparisons that does automatic trim()</title>
		<link>http://www.depesz.com/2008/10/15/text-comparisons-that-does-automatic-trim/</link>
		<comments>http://www.depesz.com/2008/10/15/text-comparisons-that-does-automatic-trim/#comments</comments>
		<pubDate>Wed, 15 Oct 2008 20:04:20 +0000</pubDate>
		<dc:creator>depesz</dc:creator>
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		<category><![CDATA[datatype]]></category>
		<category><![CDATA[domain]]></category>
		<category><![CDATA[postgresql]]></category>
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		<category><![CDATA[trim]]></category>

		<guid isPermaLink="false">http://www.depesz.com/?p=1296</guid>
		<description><![CDATA[SoftNum asked on irc: &#60; SoftNum&#62; does postgresql have a config option to automatically trim (both ' ' from blah) on string compares? So, can you? Of course there is no such option, but maybe there is a way to tell PostgreSQL to do this trim for given field? Sure there is To do it, [...]]]></description>
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		<slash:comments>5</slash:comments>
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		<title>MySQL&#8217;s timestamp in PostgreSQL</title>
		<link>http://www.depesz.com/2008/05/08/mysqls-timestamp-in-postgresql/</link>
		<comments>http://www.depesz.com/2008/05/08/mysqls-timestamp-in-postgresql/#comments</comments>
		<pubDate>Thu, 08 May 2008 15:16:43 +0000</pubDate>
		<dc:creator>depesz</dc:creator>
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		<category><![CDATA[domain]]></category>
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		<category><![CDATA[plperl]]></category>
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		<guid isPermaLink="false">http://www.depesz.com/?p=1202</guid>
		<description><![CDATA[MySQL has this nifty/annoying feature/bug of special data type &#8220;TIMESTAMP&#8221;. It is like a DATETIME, but it gets automatically updated whenever you modify the row. I&#8217;ll try to add the same feature to PostgreSQL. This is how it works in MySQL: mysql&#62; create table test (x varchar(10), y timestamp); Query OK, 0 rows affected (0.03 [...]]]></description>
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		<slash:comments>6</slash:comments>
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