单项选择题
Which of the following packages maintains information in the recovery catalog？ （）
A.DBMS_RCVMAN B.DBMS_RMAN C.DBMS_RCVCAT D.DBMS_CATPROC
单项选择题 WhichoneofthefollowingRMANcommandsisusedtoregisterthedatabasefileswithrepositorythatwerebackedupusingO/Scommands？（）
单项选择题 Whichofthefollowingcommandsmustbeissuedtoremoveastoredscriptfromtherecoverycatalog？（）
单项选择题 WhichoneofthefollowingstatementsabouttheTNSPINGutilityiscorrect？（）
