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Meaning Of a "CONSTRAINT"

JavaprogJan 10 2011 — edited Jan 11 2011

What is a constraint actually ?

Why are Constraints Necessary?

And what are the different types of Constraints available in Oracle supported SQL?

Edited by: Tejaswi.B on Jan 11, 2011 12:39 AM

This post has been answered by Toon Koppelaars on Jan 11 2011

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