[单选]
To make audit information more productive， the DBA executes the following command before starting an auditoperation：
SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB，EXTENDED SCOPE=SPFILE；
Which statement is true regarding the audit record generated when auditing starts after restarting Thedatabase（）

A . It contains only the plan for the SQL statement executed by the user.
B . It contains the SQL text executed by the user and the bind variables used with it.
C . It contains the plan and statistics associated with the SQL statement executed by the user.
D . It contains the plan for the SQL statement executed by the user and the bind variables used with it

心理眩光 You work as a database administrator for Supportcenter.cn. When you tried to connect to the database， you received the following error： ERROR： ORA-12541：TNS：no_listener You found that the listener is not running on the server， so you issued the following command in the Listener Control utility to start the listener. lsnrctl>START What statement is true？（） It would attempt to start the default listener。 It would start the most recently created listener.。 It would display an error with a message asking for the listener name to be specified.。 It would show you a list of listeners and prompts for the listener name that you want to start.。 Which constraint can be defines only at the column level? （） UNIQUE。 NOT NULL。 CHECK。 PRIMARY KEY。 FOREIGN KEY。 Which operating system can directly host managed storage for IBM i, AIX, Linux, VMware and Windows on a Power Systems server?（） AIX。 IBMi。 Linux。 VIO Server。篮球双手胸前传接球是最基本、最常见的传球方法，其动作重点可归纳为（）、（）、（）、（）、（）。双手用力均匀，动作协调连贯。

To make audit information more productive， the DBA executes the following command before starting an auditoperation：
SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB，EXTENDED SCOPE=SPFILE；
Which statement is true regarding the audit record generated when auditing starts after restarting Thedatabase（）

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