Data files of which three tablespaces can be recovered by performing an open recovery?()
A、TEMP
B、UNDO
C、INDEX
D、SYSAUX
E、SYSTEM
A、TEMP
B、UNDO
C、INDEX
D、SYSAUX
E、SYSTEM
A、A.V$DATAFILE B、B.V$DATAFILE_HEADER C、C.DBA_DATA_FILES D、D.V$DBFILE E、E.V$DATAFILE_ERRORS
A、Data files B、Control files C、Parameter file D、Online redo log files E、Server parameter file
A、Only the data files. B、All of the data files and the control files. C、Only the data files belonging to the SYSTEM tablespace. D、Only the data files belonging to the SYSTEM tablespace and the control files.
A、A.data files B、B.control files C、C.parameter file D、D.online redo log files E、E.server parameter file
A、Only the damaged or lost data files. B、All of the data files of the database. C、Only the data files belonging to the SYSTEM tablespace. D、The data files belonging to the SYSTEM tablespace and the damaged or lost data files.
A、An extent cannot spread across data files. B、A segment cannot spread across data files. C、A data file can belong to only one tablespace. D、A data file can have only one segment created in it. E、A data block can spread across multiple data files as it can consist of multiple operating system (OS)blocks
A、The data file cannot be recovered. B、The date file can be restored from the SYSTEM auto backup. C、Take thetablespaceoffline,drop,kand re-create it. D、Recovery Manager (RMAN) is used to recover the data file. E、The ALTER DATABSE CREATE DATAFILE..commandis used to recover the data file.
A、An extent cannot spread across data files. B、A segment cannot spread across data files. C、A data file can belong to only one tablespace. D、A data file can have only one segment created in it. E、A data block can spread across multiple data files as it can consist of multiple operating system (OS) blocks.
A、The data file cannot be recovered. B、The date file can be restored from theSYSTEMauto backup. C、Take thetablespaceoffline,drop,kand re-create it. D、Recovery Manager (RMAN) is used to recover the data file. E、The ALTER DATABSE CREATE DATAFILE..commandis used to recover the data file.