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hornet
Yak Posting Veteran
96 Posts |
 Posted - 2006-11-02 : 04:50:31
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| Hi all!I have to retrieve distinct values for the query which is using UNION.e.g. SELECT DISTINCT(peny) FROM (SELECT DISTINCT(peny) FROM AUNION ALL SELECT DISTINCT(peny) FROM BUNION ALL SELECT DISTINCT(peny) FROM C)How can i do it?thanks in advance! |
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ditch
Master Smack Fu Yak Hacker
1466 Posts |
Posted - 2006-11-02 : 04:53:20
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Using UNION without the ALL returns distinct values alreadyselect peny from a unionselect peny from b unionselect peny from cDuane.  |
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How to leave distinct values for UNION?