A.OSASM

B.OSKMDBA

C.OSDBA

D.OSOPER

E.OSRACDBA

A.FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.

B.FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.

C.FLASHBACK drop requires undo to retrieve all versions of a row that existed two points in time.

D.FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.

E.FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.

F.FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.

A.A duplexed backup set always uses twice as many SBT channels as a non-duplexed backup set for the same number of files.

B.A non-duplexed backup set written to disk can be duplexed to disk by backing up the backup set that is already on disk.

C.A non-duplexed backup set written to SBT can be duplexed to tape by backing up the backup set that is already on tape.

D.A non-duplexed backup set written to disk can be duplexed to tape by backing up the backup set that is already on disk.

E.A duplexed backup set uses the same number of SBT channels as a non-duplexed backup set for the same number of files.

F.A non-duplexed backup set written to SBT can be duplexed to disk by backing up the backup set that is already on tape.

A.An existing Oracle base can be used.

B.The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.

C.Existing Oracle Database instances must be shut down before starting the upgrade.

D.The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.

E.Only the grid user can perform the upgrade.

F.A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.

A.The Pre-Upgrade Information Tool script is executed by DBUA.

B.DBUA must be launched from the target Oracle Home.

C.All pluggable databases are automatically upgraded as part of a container database upgrade.

D.A whole database backup must exist before upgrade

E.The database must be opened in read-only mode.

F.Multiple databases with the same ORACLE_HOME can be upgraded simultaneously.