在干燥器中除去仪表用空气的以下哪些成分?() 油的成分和固体粒子。 油的成分和水分。 水分和固体粒子。
水利工程建设监理单位应当聘用不具有相应资格的监理人员从事水利工程建设监理业务。
Which three types of files can be automatically placed in the flash recovery area (fast recovery area in 11g Release 2)?() (Choose three.) Alert log file。 Archived redo log files。 Control file autobackups。 Server Parameter file (SPFILE)。 Recovery Manager (RMAN) backup piece。
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。
大中型项目在主体工程完工验收后()年内必须进行竣工验收。