MySQL Forums
Forum List  »  Triggers

Advanced Search
New Topic

Re: How to control Unique key with null values
Posted by: Peter Brawley
Date: January 28, 2011 09:52AM

One way ias to port the method described under "How to raise an error in MySQL" at http://www.artfulsoftware.com/infotree/mysqltips.php to both INSERT & UPDATE Triggers for the table.

PB

Navigate: Previous Message• Next Message
Options: Reply• Quote


Subject
Views
Written By
Posted
How to control Unique key with null values
4053
Ximo MArco
January 27, 2011 09:11AM
Re: How to control Unique key with null values
1451
Peter Brawley
January 27, 2011 10:17AM
Re: How to control Unique key with null values
1591
ximo marco
January 28, 2011 06:03AM
Re: How to control Unique key with null values
1645
Peter Brawley
January 28, 2011 09:52AM


Sorry, you can't reply to this topic. It has been closed.

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.