Free Access Oracle.1Z0-083.v2024-08-30.q181 Practice Test (Page 37)

Question 176

A schema owner truncated a table in error and must recover the data.
Which Oracle Flashback feature could be used to recover the data?

A.FLASHBACK DATA ARCHIVE

B.FLASHBACK DATABASE

C.FLASHBACK VERSION QUERY

D.FLASHBACK TABLE

E.FLASHBACK TRANSACTION

Question 177

Which two are true about common objects? (Choose two.)

A.They can be extended data-linked in CDB$ROOT.

B.They can be created only in an application root.

C.They can be created only in CDB$ROOT.

D.They can exist in CDB$ROOT and an application root.

E.They can exist in user-defined schemas only in application containers.

F.They can be only metadata-linked in an application container.

Question 178

Which three are true about an application seed pluggable database (PDB)? (Choose three.)

A.It is automatically synchronized with its application root PDB when an application is upgraded.

B.A new application PDB created by cloning an application seed PDB can have an up-to-date version of the application installed after cloning completes.

C.It is not required in an application container.

D.It cannot be added to an application container after the application container has already been created.

E.It cannot be dropped from its application container.

F.A new application PDB created by cloning an application seed PDB can have an old version of the application installed after cloning completes.

G.It is automatically synchronized with its application root PDB when an application is installed.

Question 179

Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB? (Choose two.)

A.After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT.

B.Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT.

C.After the change, only one undo tablespace can exist in CDB$ROOT.

D.After the change, any user with the required privilege can create an undo tablespace in the PDBs.

E.Undo tablespaces existing in PDBs must be dropped before the change.

F.After the change, each existing PDB has to be reopened for the new undo mode to take effect.

Question 180

Which three are true about requirements for various FLASHBACK operations? (Choose three.)

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

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

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

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

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

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

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