97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

多項選擇題

Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager (RMAN) to perform backups. 
Which two backups would you be able to perform when the database is being accessed by users?()

A.backup of offline tablespaces
B.backup of read­only tablespaces
C.backup of system­critical tablespaces
D.backup of online, locally managed tablespaces
E.backup of read/write dictionary­managed tablespaces

微信掃碼免費搜題