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Possible Duplicates:
What's the point of a candidate key?
Superkey vs. Candidate key

Thanks in advance.

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Chankey Pathak
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  • I'd say the statement should be "... whereas not all Superkeys are Candidate keys". That's not the same, is it? – chiccodoro Oct 26 '10 at 10:45

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I think the idea of homework is that you do it yourself. Anyway, Wikipedia supplies a clue

The Archetypal Paul
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