Olaf Schmidt wrote:
> Just to add another one to the pile, any flaws I overlooked here...?
> 
> select *, count(b) c_b from foo
> where b in (...)
> group by a
> having c_b = length_of_b_list

The OP apparently wanted actual (a, b) pairs for those a's that satisfy the 
condition, not just a list of a's.

Igor Tandetnik


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