extrovertive Posted August 13, 2006 Share Posted August 13, 2006 I use primary key for to identitfy unique entry in the database.Under what circumstances, should I use "unique" and "index"? Quote Link to comment Share on other sites More sharing options...
fenway Posted August 14, 2006 Share Posted August 14, 2006 Primary keys are always unique... use index if you can have duplicates. Quote Link to comment Share on other sites More sharing options...
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