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rudresh
New User
Joined: 18 Sep 2006 Posts: 6
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i was asked in interview.what is meant by foreign key and what is meantby referential integrity and why we are using this ?
iam not clear about this .so please give me clear idea about this. |
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Devzee
Active Member
Joined: 20 Jan 2007 Posts: 684 Location: Hollywood
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Read RDBMS concepts and definitely you will understand what is Referential Integrity Constraint and Foriegn Key. |
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