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		<title>MySQL中GROUP_CONCAT中排序</title>
		<link>https://www.coder4.com/archives/4176</link>
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		<pubDate>Wed, 09 Apr 2014 03:22:26 +0000</pubDate>
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					<description><![CDATA[原来GROUP_CONCAT中，是支持GROUP内排序的，自己好土。。 SELECT student_name, GROUP_CONCAT(DISTINCT test_score ORDER BY test_score DESC SEPARATOR &#039; &#039;) FROM student GROUP BY student_name;[......] 继续阅读]]></description>
		
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		<title>MySQL中，Group By后，取每组的Top N条记录</title>
		<link>https://www.coder4.com/archives/4171</link>
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		<pubDate>Tue, 01 Apr 2014 07:35:11 +0000</pubDate>
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					<description><![CDATA[转载自：http://www.geeklab.info/2012/11/mysql-how-to-get-top-n-rows-for-each-group/ We have the following table and data: &#160; CREATE TEMPORARY TABLE girls( name text, haircolor text, score INT ); INSERT INTO girls VALUES (&#039;M[......] 继续阅读]]></description>
		
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