单项选择题
A. shutdown restore datafile 4; recover datafile 4; alter database open;
B. Sql alter database datafile 4 offline; restore datafile 4; recover datafile 4; alter database open;
C. Sql alter database datafile 4 offline; restore datafile 4; Sql alter database datafile 4 online;
D. Sql alter database datafile 4 offline; restore database datafile 4; recover database datafile 4;Sql alter database datafile 4 online;
E. Sql alter database datafile 4 offline; restore datafile 4; recover datafile 4; Sql alter database datafile 4 online;
单项选择题 What will be the end result of this set of RMAN commands?() shutdown abort startup mount restore datafile 4 until time ,,09/30/2008:15:00:00; recover datafile 4 until time ,,09/29/2008:15:00:00; alter database open resetlogs;
单项选择题 IfyoufinderrorsintheviewV$DATABASE_BLOCK_CORRUPTIONwithastatusofMEDIA_CORRUPT,whatRMANcommandwouldyouruntocorrecttheproblem?()
多项选择题 You have a database with the following tablespaces: SYSTEM, SYSAUX, UNDO, USERS, TEMP. You want to"roll back" the data in the USERS tablespace to the way it looked yesterday. Which tablespaces do you need to perform a point-in-time restore operation on in order to complete this task?()