单项选择题
A.loss of a tempfile
B.loss of a system data file
C.loss of one of the control files
D.loss of one of the tablespaces
E.loss of a member from each redo log group
F.loss of the only member of an unarchived redo log group
单项选择题 You are using Oracle Database 10g. The LOG_ARCHIVE_FORMAT parameter is set to ’LOG%t_%s_%r.dbf’. Why is %r used in the file name format？（）
单项选择题 View the Exhibit. One of the important tables in the USERS tablespace was dropped and purged from the recycle bin at 9：00 a.m. You noticed this at 11：00 a.m. and you want to perform an incomplete recovery to recover the table. Which statement is true？（）
多项选择题 Your database operates in ARCHIVELOG mode and all the tablespaces are online. Due to a user error， you decided to perform an incomplete recovery. Which two tasks would you be required to perform in the recovery process？ （）