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I have a master file with the following keyfields:
mcono, mcust, mtickn, mdate

And a transaction file:
tcono, tcust, ttickn, ttdate, tprod, tunits, tsts

The transaction file matches to the master file:
mcono=tcono, mcust=tcust, mtickn=ttickn, mdate=ttdate

What I need to do is to update the tsts field to "O" if there is no matching
master entry for the transaction record. Here's what I have for the
selection:

select * from trans where not exists (select * from master where mcono=tcono
and mcust=tcust and mtickn=ttickn and mdate=tdate)

How do I adjust that so that I update the tsts field?

Thanks!

TomH


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