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What is Foreign Key?
What is the main difference between primary key and Foreign
Key ?
How Foreign Key can be defined?
Is Foreign key is used to join two or more table?
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Answer Posted / amol kharat
Sunil is absolutely right.
foreign key may be null but primary key is not null, foeign
key is the reference to other table.
Foreign key is a primary key of reference table.
| Is This Answer Correct ? | 3 Yes | 0 No |
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