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- 单项选择题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
- B
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