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12-15-2008, 06:40 PM
Join Date: Mar 2008
Its redundant espeically in this case.. I agree with you, a id column is needed but only when its required.
And you can figure out if you need an ID column by normalization.
I just want to point out that not every table requires an ID column. In this case an emailid (email address) field is a perfect example.
Most of my tables also use a GUID for a primary key where normalization would not lead to a two or more part primary key.
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