单项选择题
A. restore the tablespace from the backup， and then perform an incomplete recovery
B. restore the tablespace from the backup， and then apply all the redo information
C. restore all the data files in the database， and then perform an incomplete recovery
D. restore the tablespace from the backup
多项选择题 WhichtwostatementsregardingcompressedbackupsinRecoveryManager（RMAN）aretrue？（）
多项选择题 Exhibit： View the Exhibit and examine the properties of the USERS tablespace. You execute the following statement to shrink the TRANS table existing on the USERS tablespace： SQL> ALTER TABLE trans SHRINK SPACE CASCADE； Which objects would be affected by this command？（）
多项选择题 YourdatabaseoperatesinARCHIVELOGmodeandallthetablespacesareonline.Duetoausererror，youdecidedtoperformanincompleterecovery.Whichtwotaskswouldyouberequiredtoperformintherecoveryprocess？（）