To make audit information more productive， the DBA executes the following command before startingan audit operation： 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（） ["It contains only the plan for the SQL statement executed by the user.","It contains the SQL text executed by the user and the bind variables used with it.","It contains the plan and statistics associated with the SQL statement executed by the user.","It contains the plan for the SQL statement executed by the user and the bind variables used with it."]
空调室外线缆必须采用（）橡皮电缆，管线较长的应采用PVC管套护固定。 ["三相五线","单相","三相"]
Which code， inserted at line 14， will allow this class to correctly serialize and deserialize？（） ["s.defaultReadObject（）；","this = s.defaultReadObject（）；","y = s.readInt（）； x = s.readInt（）；","x = s.readInt（）； y = s.readInt（）；"]
You have a durable subscriber, and the subscriber is down or not reachable when the message is produced. Which two options regarding the expiry of these messages are true?（） ["after the subscriber is unavailable for 10 minutes","when the subscriber is available","after the subscriber is unavailable for after an hour","are available until the specified time elapses","are expired instantly"]
庭荫树的选择标准
企业价值
