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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Topic 1: Database Backup and Recovery	- RMAN configuration and backup strategies - Database recovery techniques
Topic 2: Performance Management	- Automatic Workload Repository (AWR) and diagnostics - SQL performance tuning
Topic 3: Storage and Space Management	- Segment management - Tablespaces and datafiles
Topic 4: Database Architecture and Administration	- Oracle Database architecture components - Multitenant container database (CDB/PDB) concepts
Topic 5: Security Management	- User management and privileges - Database auditing and encryption

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Oracle Database Administration II Sample Questions (Q142-Q147):

NEW QUESTION # 142
Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)

A. Existing Oracle Database instances must be shut down before starting the upgrade.
B. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.
C. An existing Oracle base can be used.
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.

Answer: C,D,E

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/cwlin/restrictions-for-oracle-grid- infrastructure-upgrades.html#GUID-76797070-C2C6-4817-902C-037A67A6EF94 Oracle Grid Infrastructure upgrades are always out-of-place upgrades. You cannot perform an in- place upgrade of Oracle Grid Infrastructure to existing homes.
The same user that owned the earlier release Oracle Grid Infrastructure software must perform the Oracle Grid Infrastructure 19c upgrade.

NEW QUESTION # 143
Examine this configuration:
4. CDB1is an Oracle Database 12c Release 2 database containing pluggable databases PDB$SEED, PDB1, and PDB2.
5. PDB$SEEDis open READ ONLY
6. PDB1is open READ WRITE
7. PDB2 is MOUNTED.
8. ORACLE_HOMEis /u01/app/oracle/product/18.1.0/dbhome_1.
You execute these commands before upgrading the database to the current release:

For which databases will fixup scripts be created?

A. CDB1, PDB1, and PDB2 only
B. CDB1, PDB$SEED, PDB1, and PDB2
C. CDB1 and PDB$SEED only
D. CDB1, PDB$SEED, and PDB1 only
E. PDB$SEED, PDB1, and PDB2 only

Answer: D

Explanation:
For multitenant architecture (CDB and PDB) upgrades, open up all the PDBs that you want the tool to analyze before you run the tool.
https://docs.oracle.com/en/database/oracle/oracle-database/18/spmsu/running-pre-upgrade- information-tool-for-non-cdb-checks.html#GUID-B04CDE73-45F1-4717-98BB-9FCC209DEC01

NEW QUESTION # 144
Which three are true about requirements for various FLASHBACK operations? (Choose three.)

A. FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON.
B. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time.
C. FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.
D. FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked.
E. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON.
F. FLASHBACK drop requires undo to retrieve all versions of a row that existed two points in time.

Answer: B,C,E

NEW QUESTION # 145
Your SALES_ROOT application container has two application PDBs.
The SALES_APP application has a common table, FIN.REVENUE, in the two PDBs.
Examine this query and its output:

Which two are true? (Choose two.)

A. The MAPTABLE tables defines a logical partition key on a commonly used column for the REVENUE table.
B. The MAPTABLE table is a metadata-linked table.
C. The REVENUE table partitions are not pruned across the PDBs automatically.
D. The CONTAINERS clause cannot be used in queries on the REVENUE table.
E. A container map exists for the REVENUE table, but is not enabled.
F. The REVENUE table must be a list-partitioned table.

Answer: A,C

NEW QUESTION # 146
Choose two. 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 prevents performance regressions for SQL statements when changes are made.
D. It can recommend semantic changes to SQL statements.
E. It checks each query being analyzed for missing or stale statistics.

Answer: D,E

NEW QUESTION # 147
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