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

單項選擇題

You backed up the control file to trace. Which statement is true about the trace file generated?()

A.The trace file is in binary format.
B.The trace file has a SQL script to re-create the control file.
C.The trace file is a backup set created during the backup of the control file. 
D.The trace file contains the instructions to manually re-create the control file.
E.The trace file is an image copy of the control file created during the backup of the control file.

微信掃碼免費搜題