Home Forums Article Discussions Article Discussions by Author Discuss content posted by Gopi Sri UNIQUE constraint RE: UNIQUE constraint
SanDroid
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December 27, 2012 at 9:00 am
#1571899
Lots of posts and comments but none of them, including the answer code, shows a UNIQUE CONSTRAINT on a TABLE column that allows more than one NULL value.
A UNIQUE INDEX is not a UNIQUE CONSTAINT and they are used for two differant things.