What fields in a record in TableA need to exist in a record in TableB to constitute identify? you can do the test in your SQL by (for example): 
my $sth = "select count * from tableA where tableA.key1 = tableB.key2"
+;

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Obviously this is not the full query, as TableB is not defined.

In reply to Re: perl dbi select question by apl
in thread perl dbi select question by baxy77bax

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