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单选题Evaluate the following SQL statements that are issued in the given order:  What would be the status of the foreign key EMP_MGR_FK?()AIt would be automatically enabled and deferred.BIt would be automatically enabled and immediate.CIt would remain disabl

题目
单选题
Evaluate the following SQL statements that are issued in the given order:  What would be the status of the foreign key EMP_MGR_FK?()
A

 It would be automatically enabled and deferred.

B

 It would be automatically enabled and immediate.

C

 It would remain disabled and has to be enabled manually using the ALTER TABLE command.

D

 It would remain disabled and can be enabled only by dropping the foreign key constraint and re-creating it.


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