单项选择题
下列选项中,能够解除HR用户的锁定的语句是()。
A.alter user hr unlock
B.alter user hr account unlock
C.alter table alter hr unlock
D.alter table alter unlock hr
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单项选择题
A.alter user hr unlock
B.alter user hr account unlock
C.alter table alter hr unlock
D.alter table alter unlock hr
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