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LSNRCTLSTOP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
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
相关考题：
Your database is open and the LISTENER listener running. You stopped the wrong listener LISTENER byissuing the following command:lsnrctl >STOPWhat happens to the sessions that are presently connected to the database Instance?（）A. They are able to perform only queries.B. They are not affected and continue to function normally.C. They are terminated and the active transactions are rolled back.D. They are not allowed to perform any operations until the listener LISTENER is started
当前oracle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下面的描述中哪个是正确的?() A.连接的会话不允许做任何操作直到监听启动B.会话断掉，并且当前的事物回滚C.当前连接的会话不受影响，操作继续D.会话只能执行查询操作
消弧线圈的有载开关档位频繁动作，处理原则错误的是(____)。检查母线运行在分列还是并列状态，控制装置是否正确识别相应状态。$;$若母线处于分列运行状态，应将频繁调档的消弧线圈申请停运。$;$若母线处于并列运行状态，应将频繁调档的消弧线圈申请停运。$;$若母线处于并列运行状态，应检查控制器是否正确识别并列运行方式，处于“主从”模式。待观察一段时间后现象仍未消除，应将频繁调档的消弧线圈申请停运。
数据库运行在高负载下，此刻需要修改undo表空间的大小，需要使用undo助手决定评估undo调整大小，在使用undo助手时下面那两项你需要考虑？（）A、闪回保留的时间B、数据库中undo表空间的数量C、查询运行最长的时间D、实例快速闪回区的大小
Oracle数据库启动时需要经历三个步骤和状态变换，以下顺序正确的是（）。A、mount→open→nomountB、mount→open→closeC、close→open→mountD、nomount→mount→open
The listener has shut down unexpectedly. You want to view the listener log file and listener trace file to find the cause of the problem. How can you view the contents of the listener log file and the listener trace file？（）A、 Open the file at the location specified by the BACKGROUND_DUMP_DEST parameter in the pfile.B、 Open the file at the location specified by the USER_DUMP_DEST parameter in the pfile.C、 Issue the SERVICES command at the LSNRCTL prompt.D、 Issue the STATUS command at the LSNRCTL prompt.
多选题数据库运行在高负载下，此刻需要修改undo表空间的大小，需要使用undo助手决定评估undo调整大小，在使用undo助手时下面那两项你需要考虑？（）A闪回保留的时间B数据库中undo表空间的数量C查询运行最长的时间D实例快速闪回区的大小
单选题当前oracle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LSNRCTLSTOP下面的描述中那个是正确的？（）A连接的会话不允许做任何操作直到监听启动B会话断掉，并且当前的事物回滚C当前连接的会话不受影响，操作继续D会话只能执行查询操作
单选题Your database is open and the LISTENER listener running. You stopped the wrong listener LISTENER byissuing the following command:lsnrctl STOPWhat happens to the sessions that are presently connected to the database Instance?（）AThey are able to perform only queries.BThey are not affected and continue to function normally.CThey are terminated and the active transactions are rolled back.DThey are not allowed to perform any operations until the listener LISTENER is started
单选题The listener has shut down unexpectedly. You want to view the listener log file and listener trace file to find the cause of the problem. How can you view the contents of the listener log file and the listener trace file？（）A Open the file at the location specified by the BACKGROUND_DUMP_DEST parameter in the pfile.B Open the file at the location specified by the USER_DUMP_DEST parameter in the pfile.C Issue the SERVICES command at the LSNRCTL prompt.D Issue the STATUS command at the LSNRCTL prompt.
单选题同步电动机拖动负载运行时，一般运行在（）。A过励状态B欠励状态C正常励磁状态D励磁电流保持恒定不变