Hallo, I would like to gets ome help on this:
I have this table Id Companynumber First Name LastName Type 1 123 Jim Andersson 1 2 234 Tom Perkins 2 3 565 Henry Ford 1 I would like to have a constraint so when I try to add and the same companynumber that already exists(for instance 234) I am not allowed to do this if the filed Type has the value 1. So if I add a companynumber which already exists and the Type is 2, then I should be allowed to add this companynumber. Maybe this is simple but woul dreally appreciate some help onhow to write this. Roland -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
