无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

You are analyzing the components of the redo log mechanisms in your Oracle database. Which of the following purposes does the CKPT process serve?()

A.Writes buffers to disk 
B.Writes current redo log number to datafile headers 
C.Writes redo log information to disk 
D.Reads information into memory for users

微信掃碼免費搜題