Oracle certleader 1z0-083 Reviews Questions by Lois q282 vce pdf

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Exam Name:	Oracle Database Administration II
Exam Code:	1z0-083 Dumps
Vendor:	Oracle	Certification:	Oracle Database 19c
Questions:	286 Q&A's	Shared By:	lois

Question 40

Which two are true about creating RMAN backups for an Oracle container database?

Options:

Online Redo Log backups can be created while connected to CDB$ROOT

Control file backups can be created while connected to CDB$ROOT.

The BACKUP TABLESPACE command can back up a pDB tablespace even if RMAN is connected to CDB$ROOT.

Archived Redo Log backups can be created while connected to PDB

Control file backups can not be created while connected to a PDB

Discussion

Question 41

Choose two. Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases?

Options:

Space might be reclaimed proactively before space pressure occurs.

Space is always reclaimed proactively before space pressure occurs.

Space might be reclaimed automatically when the retention period for Flashback logs is lowered.

Space is always reclaimed automatically when the retention period for Flashback logs is lowered.

Space is only reclaimed when there is space pressure in the Fast Recovery Area (FRA).

Discussion

Question 42

choose two Examine these RMAN commands: RMAN> CONNECT TARGET "sbu@prod AS SYSBACKUP"; RMAN> CONNECT AUXILIARY "sbu@dup_db AS SYSBACKUP"; RMAN> DUPLICATE TARGET DATABASE TO dup_db FROM ACTIVE DATABASE PASSWORD FILE SECTION SIZE 400M; Which two statements are true about the DUPLICATE comman

Options:

It succeed

It fails because no parallel channels are allocated for the auxiliary databa

It fails because connection to the AUXILIARY instance must be as SYSD

Itsucceeds only if the target database is greater than 40

No catalogued backup of the TARGET is used to duplicate the databa

Discussion

Question 43

Which three are true about the SQL Tuning Advisor? (Choose three.)

Options:

It checks each query being analyzed for stale statistics.

It checks each query being analyzed for missing statistics.

It only recommends syntactic changes to SQL statements.

It can recommend semantic changes to SQL statements.

It considers all SQL statements being analyzed by the advisor task as a group.

It builds SQL profiles for each poorly performing SQL statement to prevent regressions.

Discussion

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