单项选择题
A. These are the data files that are corrupted.
B. There is no SYSAUX tablespace in your database
C. There is a read-only tablespace in your database.
D. These are the data files that cannot be recovered.
单项选择题 YoulostthePRODSTDtablespace，whichwasread-only.Thetablespacewasread-onlywhenthelastbackupwastaken.Howwouldyourecoverthetablespace？（）
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？（）