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Define candidate key, alternate key, composite key?
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Answer Posted / garima sinha
candidate keys are those key which can be treated as
primary key when required.
composite key is made up of more than on key and treated as
primary key.
Alternate key (or secondary key) is any candidate key which
is not selected to be the primary key.
| Is This Answer Correct ? | 7 Yes | 6 No |
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