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mikedp
Starting Member
2 Posts |
 Posted - 2010-04-19 : 08:12:53
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| Hi,Let's say I have a table with Categories, and a table with Subjects that contain a CategoryID.How can I get a list of Category records that do not have a Subject record linked to them?TnxMike |
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bklr
Master Smack Fu Yak Hacker
1693 Posts |
Posted - 2010-04-19 : 08:14:46
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| select c.* from categories c left join subjects s on s.CategoryID = c.CategoryIDwhere s.CategoryID is null |
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mikedp
Starting Member
2 Posts |
Posted - 2010-04-19 : 09:10:33
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| Tnx! That's it. |
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visakh16
Very Important crosS Applying yaK Herder
52326 Posts |
Posted - 2010-04-19 : 10:56:26
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| or select c.* from categories c where not exists(select 1 from subjects where CategoryID = c.CategoryID)------------------------------------------------------------------------------------------------------SQL Server MVPhttp://visakhm.blogspot.com/ |
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bklr
Master Smack Fu Yak Hacker
1693 Posts |
Posted - 2010-04-20 : 00:36:07
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quote:
Originally posted by mikedp
Tnx! That's it.
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Get parent records that do not have childs