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假设数据库中创建了一个用户test,状态为锁定状态,需要使用SQL语句解除锁定,可以使用如下()语句。

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A.ALTER USER test ACCOUNT

B.ALTER USER test NOLOCK

C.ALTER USER test ACCOUNT NOLOCK

D.ALTER test ACCOUNT NOLOCK

参考答案:

参考C

计算机考试

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