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Find child records not in parent table
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Forum:
Microsoft SQL Server
Catégorie:
Autre
Titre:
Find child records not in parent table
Versions des environnements
SQL Server:
SQL Server 2005
Divers
Thread ID:
01503028
Message ID:
01503028
Vues:
124
I must be missing something very simple. I am trying to find records in the child table that have no corresponding records in the parent table. Here is what I do:
select * from ChildTable join ParentTable where ChildTable.fielda != ParentTable.fielda
But it does not work. TIA.
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