composite key syntax. How can I fix this?
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03-27-2010, 08:30 PM
Join Date: Sep 2007
A primary key is what the database uses to identify the row. While you do not have to have one, it makes looking up a particular row a lot faster becuase the database expects you to find it via the primary key. However, it is a unique ID and there can only be one per row.
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