what is the difference between UNIQUE INDEX and UNIQUE KEY?
Question
I have seen couple of sample tables one is with UNIQUE INDEX and other is with UNIQUE KEY. what is the difference between two?? or both are same?
1 answers
solution1
14 ACCPTED 2010-07-14 11:00:17
CREATE TABLE
KEY is normally a synonym for INDEX.
You can use them interchangeably as described in syntax page
[CONSTRAINT [symbol]] UNIQUE [INDEX|KEY]
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