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Define candidate key, alternate key, composite key?
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Answer Posted / zulfiqar ali
ANSWER 22.. 1 A candidate key is the combination of one or
more attributes which is used to identify records uniquely a
candidate can be selected as a primary key.
2 A key which is not selected is called Alternate key.
3 combination of attributes is called composite key.
| Is This Answer Correct ? | 2 Yes | 1 No |
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