单项选择题
Which one of the following parameters must be specified when exporting objects that has integrity constraints referencing objects that are currently being accessed by other users？（）
A.IGNORE=Y
B.DIRECT=Y
C.CONSISTENT=Y
D.BUFFER=Y
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Whichofthefollowingrolesprovidestheprivilegestomaintainandquerytherecoverycatalogschema？（）
A.EXECUTE_CATALOG_ROLE
B.CONNECT
C.RESOURCE
D.RECOVERY_CATALOG_OWNER
E.RECOVERY_CATALOG_USER -
单项选择题
WhichofthefollowingfilescannotbecatalogedusingtheCATALOGcommand？（）
A.Data files
B.Control files
C.Archived log files
D.Files storing RMAN scripts -
单项选择题
Toperformadatabasepoint-in-timerecoveryusingRMAN，afterdatabaserestoration，youmustensurethatthedatabaseisinwhichofthefollowingstates？（）
A.OPEN
B.MOUNT
C.NOMOUNT
D.CLOSE
