Home » RDBMS Server » Server Administration » Re: help: foreign key from 2 tables
Re: help: foreign key from 2 tables [message #371715] Wed, 29 November 2000 07:05
John R
Messages: 156
Registered: March 2000
Senior Member
I don't think that can be done as a constraint.

I think what you need to do is create a Before-Insert trigger on that table and in there check to see that the value exists on one of the other two tables.

Report message to a moderator

Previous Topic: Can I unwrap a .plb file?
Next Topic: Re: utl_file error ARGH
Goto Forum:
  

[ Syndicate this forum (XML) ] [ RSS ]

Current Time: Fri Jan 03 13:24:26 CST 2025
.:: Forum Home :: Blogger Home :: Wiki Home :: Contact :: Privacy ::.