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Oracle Database Administration II Sample Questions (Q34-Q39):

NEW QUESTION # 34
Which two are true about the SQL Tuning Advisor?

A. It considers all SQL statements being analyzed by the advisor task as a group.
B. It only recommends syntactic changes to SQL statements.
C. It checks each query being analyzed for missing or stale statistics.
D. It prevents performance regressions for SQL statements when changes are made.
E. It can recommend semantic changes to SQL statements.

Answer: A,E

NEW QUESTION # 35
Which two restrictions apply when the RMAN BACKUP AS COPY command is used to create a backup?

A. Binary compression cannot be applied to the backup.
B. Backups can be taken only if a fast recovery area is configured.
C. Backups can be written only to media.
D. Backups can be taken only for data files.
E. Backups can be written only if checksums are stored for each block.
F. Backups can be written only to disk.

Answer: A,F

NEW QUESTION # 36
Which statement correctly describes the SQL profiling performed by the SQL Tuning Advisor?

A. It is auxiliary information collected by the optimizer for a SQL statement to eliminate estimation error.
B. It is auxiliary information collected by the optimizer for a SQL statement to help use better joins orders.
C. It is a set of recommendations by the optimizer to change the access methods used.
D. It is a set of recommendations by the optimizer to create new indexes.
E. It is a set of recommendations by the optimizer to restructure a SQL statement to avoid suboptimal execution plans.

Answer: E

NEW QUESTION # 37
You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server.
Examine this command and its outcome:

Which two are true? (Choose two.)

A. oracle will be an owner of the Oracle Inventory.
B. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
C. oracle must be the owner of every Oracle Database installation.
D. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
E. oracle will be granted the SYSASM privilege when installing the Oracle Database software.

Answer: B,E

NEW QUESTION # 38
Which two are true about backup set compression using RMAN default compression? (Choose two.)

A. Unused blocks below the high water mark are backed up.
B. Binary compression adds CPU overhead to backup operations.
C. Compressed backups cannot have a section size defined.
D. Compression can be done only for locally managed tablespaces.
E. Compressed backups can be written only to media.

Answer: B,D

Explanation:
Backup as compressed backupset device type disk database section size 100m; (not A, not D).
If they speak about Unused block compression then :
RMAN skips reading, and backing up, any database blocks that are not currently allocated to some database object. This is regardless of whether those blocks had previously been allocated (bellow HWM). (Not C) Data file has to be locally managed. (E)

NEW QUESTION # 39
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