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.
正确答案:C
答案解析:有

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