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vojinb
Starting Member
9 Posts |
 Posted - 2010-12-17 : 07:06:24
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| Hi,I'm having table with clients and contracts, contract number is key,one client could have more then one contract.How can I select clients with only one contract? |
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webfred
Master Smack Fu Yak Hacker
8781 Posts |
Posted - 2010-12-17 : 07:23:02
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select * from table t1join (select clientId from table group by clientId having count(*)=1)dton dt.clientId=t1.clientId
No, you're never too old to Yak'n'Roll if you're too young to die. |
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vojinb
Starting Member
9 Posts |
Posted - 2010-12-17 : 07:54:24
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| Thanks,it's working |
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webfred
Master Smack Fu Yak Hacker
8781 Posts |
Posted - 2010-12-17 : 08:02:53
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welcome 
No, you're never too old to Yak'n'Roll if you're too young to die. |
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how to get unique record