多项选择题
A. RMAN image copies.
B. RMAN database backups.
C. RMAN tablespace backups.
D. User-managed backups placed in the flash recovery area.
E. User-managed backups that have been cataloged with RMAN.
F. User-managed data file backups for which the pull path name is specified.
多项选择题 YouhavesetthevalueoftheNLS_TIMESTAMP_TZ_FORMATparameterintheparameterfiletoYYYY-MM-DD.Thedefaultformatofwhichtwodatatypeswouldbeaffectedbythissetting？（）
多项选择题 WhilecreatingaschedulerwindowusingtheDBMS_SCHEDULERpackage，auserloggedinasDBMGRgetstheerrormessageinsufficientprivileges？Whichtwocommandswouldyouusetoresolvethiserror？（）
多项选择题 WhatarethetwoadvantagesofRMANBlockMediaRecovery（BMR）overfile-levelrecovery？（）