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  3. August 2007

RE: SQL Concepts - Header and Detail

I have a situation where I have a quantity field in the
detail that I want to sum and then update the header.

Others have pointed out how to do this (and it even sounded like Joe
_liked_ SQL :) but this also raises the question, why are these out of
sync in the first place, and should you actually be asking about a
trigger on the detail table that keeps the header table in sync
automatically? Just something to think about.

-Walden


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