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Re: Oracle Problem from a beginner

From: Mlevison1 <mlevison1_at_aol.com>
Date: 1997/11/22
Message-ID: <19971122055801.AAA02256@ladder02.news.aol.com>#1/1 







You can create a PL-SQL trigger to implement this type of constraint.  This
would be a before insert trigger which would use the subquery that you have
stated. If the error was encountered, you can rollback the record.  Refer to
PL-SQL triggers.
Received on Sat Nov 22 1997 - 00:00:00 CST












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