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 disable
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.