地方政府的职能有（）。 在区域内合理配置资源。 调节经济宏观运行。 提供区域性公共设施。 进行二级调控。
In which situation would you use static database registration for a listener（） when multiple databases are to be registered with the listener。 when DBAs need to connect remotely to start up the database instance。 when users need to connect the database instance using the host naming method。 when the database instance that is to be registered with the listener is configured in shared server mode。
Which view provides information on the backup status of the datafiles in the database?（） V$BACKUP。 V$BACKUP_STATUS 。 V$BACKUP_DATAFILE 。 V$DATAFILE_BACKUP 。 V$TABLESPCE_BACKUP。
A company just hired a new plant maintenance manager, and they are concerned about the number of corrupt asset records in the present system. In future they want to prevent this from happening. When implementing the new solution, what is recommended?（） All maintenance personnel have full access to all records.。 All maintenance personnel have read-only access to all data. 。 Only a very limited number of personnel have full access to static data records, but all maintenance personnel are able to enter work order data.。 Maintenance personnel should not be using the system, and should only write entries on printed work orders and hire input clerks to enter these into the system.。
You upgraded Oracle Database 10g to Oracle Database 11g. How would this affect the existing users’ passwords？（） All passwords automatically become case-sensitive.。 All passwords remain non-case-sensitive till they are changed.。 All passwords remain non-case-sensitive and cannot be changed.。 All passwords remain non-case-sensitive until their password attribute in the profile is altered.。
In which two scenarios should you issue the following command？（）
FLASHBACK TABLE SCOTT.EMP TO TIMESTAMP SYSTIMESTAP- INTERVAL ’15’ MINUTE；
