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Define Foreign Key?
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Answer / vani
it is a primary key which is referenced to another table
| Is This Answer Correct ? | 19 Yes | 5 No |
Foreign Key is used to establish Referential Integrity/Constraint between 2 tables. Mainly it is a column in a table that uniquely identifies every record in another table. A table can have 1 or more than 1 FKs.
~Manoj (sqlwithmanoj.wordpress.com)
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Answer / pravati
foreign key of one table points to a primary key of another table.
| Is This Answer Correct ? | 1 Yes | 0 No |
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