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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?()

发布日期:2022-07-16

Evaluate the following SQL statements that are iss...
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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