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Benny57
Starting Member
4 Posts |
 Posted - 2012-08-31 : 02:19:23
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| Hi!I need some help with a query.I have a table called A with 2 fields called B and C.The field B is just a field that contains a number range starting at 1 and just continue to eternity.And field C is a field that contains userid, 1 to 300.The same Userid can occur more then once against different number in field B .I need to know how many userid's that occur more than once in table A and how many specific userid there are in the table.The table contains approximately 25000 rows. |
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sunitabeck
Master Smack Fu Yak Hacker
5155 Posts |
Posted - 2012-08-31 : 07:02:20
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| [code]--I need to know how many userid's that occur more than once in table ASELECT C FROM A GROUP BY C HAVING COUNT(*) > 1;-- and how many specific userid there are in the table.SELECT COUNT(DISTINCT C) FROM A;[/code] |
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Benny57
Starting Member
4 Posts |
Posted - 2012-08-31 : 09:17:17
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Ok thank's sunitabeck, works perfect |
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Query question