Subject R: [firebird-support] 1 a n relationship with GROUP BY conditioned on master
Author P-Soft - Codebue Fabio
I have 2 tables
A
fields a1, a2, a3

B
Fields b1 ,b2, b3, b4

I need to create a SQL retrieve sum(b3) and aggregate on b2 and filter on a2 where a1=b1

Some idea?


Codebue Fabio
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