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From Bob M <rgmatth...@orcon.net.nz>
Subject Re: Updating 2 derby tables
Date Sat, 20 May 2017 19:27:43 GMT
Hi John

Hint: it's always a good idea to give names to your constraints and
suchlike, so that the error message will refer to a name that appears in
your DB schema, rather than a system-generated name like
SQL170412104646890. If you can't figure out which is the violated
constraint referred to in the error message, you might have to dig
around in SYS.SYSCONSTRAINTS to identify it. 

You are way above my head here :)

Bob M

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