Question
Which of the following statements are true and please explain carefully WHY? A. Each superkey is a superset of some candidate key. B. Each primary
Which of the following statements are true and please explain carefully WHY?
A. Each superkey is a superset of some candidate key.
B. Each primary key is also a candidate key, but there may be candidate keys that are not primary keys.
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Rules In Database Systems Third International Workshop Rids 97 Sk Vde Sweden June 26 28 1997 Proceedings Lncs 1312
Authors: Andreas Geppert ,Mikael Berndtsson
1997th Edition
3540635165, 978-3540635161
