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Define candidate key, alternate key, composite key.
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Answer Posted / raghuram
Candidate Key is a Key which identifies each row of a table
uniquely. Generally a Candidate Key becomes a Primary Key
of the table. If table has more than one Candidate Keys
then one is called Primary key and rest are called
Alternative Keys.
A key is formed by two or more columns is called Composite
Keys.
| Is This Answer Correct ? | 80 Yes | 28 No |
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