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单选题
当前数据库运行在open状态,LISTENER也正常运行,此刻一个dba执行如下命令LSNRCTL>STOP下面的描述中那个是正确的?()
A

会话只能执行查询操作

B

连接的会话不允许做任何操作直到监听启动

C

当前连接的会话不受影响,操作继续

D

会话断掉,并且当前的事物回滚


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