Thank you very much.
>select * from ChildTable where not exists (select 1 from ParentTable where ChildTable.fielda != ParentTable.fielda)
>
>>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.
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham