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Mysql Foreign Keys

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  1. Which keyword is used to specify the foreign key after the table is created?
    1. SPECIFY
    2. ALTER TABLE
    3. SETUP
    4. SET
    5. None of these
Correct Option: B

When the table has already been created but the foreign key has not been set of foreign key constraints are not specified, the ‘ALTER TABLE – ADD FOREIGN KEY’ clause is used.


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