单选题Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command： LSNRCTL> STOP What would happen to the sessions that are presently connected to the database instan
题目
单选题
Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command： LSNRCTL> STOP What would happen to the sessions that are presently connected to the database instance？（）
A
The sessions are able to perform only queries.
B
The sessions are not affected and continue to function normally.
C
The active transactions are rolled back and the sessions get terminated.
D
The sessions are not allowed to perform any operations till the listener is started.