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How does a primary key effect anything in the DB?
Posted 11 Mar 2002 17:05:44
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11 Mar 2002 17:05:44 Ahmad Fariz Hanapiah posted:
The topic says it all.Replies
Replied 11 Mar 2002 18:53:54
11 Mar 2002 18:53:54 Jeremy Conn replied:
The primary key allows your database elements to have something unique about them, so that they can be distinguished from other entries. In cases like 'Deleting' for instance, you want something that no other entry has, unlike dates, text, etc. that could be in several entries.