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Oracle 1Z0-083 (Oracle Database Administration II) Certification Exam is a professional-level certification offered by Oracle Corporation. 1Z0-083 exam is designed for individuals who are interested in becoming certified database administrators. 1Z0-083 exam focuses on advanced database administration topics such as managing database security, backup and recovery, performance tuning, and database upgrades. Passing 1Z0-083 Exam is a testament to an individual's expertise in Oracle database administration.

Oracle Database Administration II Sample Questions (Q160-Q165):

NEW QUESTION # 160
Which three actions are performed by Database Upgrade Assistant (DBUA)? (Choose three.)

A. It increases tablespace size, if required, to meet upgrade requirements.
B. It performs prerequisite checks to verify if the Oracle database is ready for upgrade.
C. It sets all user tablespaces to "read-only" before starting the upgrade.
D. It empties the RECYCLE BIN.
E. It recompiles all stored PL/SQL code by using utlrp.sql.
F. It removes the AUDSYS schema and the AUDIT_ADMIN and AUDIT_VIEWER roles

Answer: A,B,D

Explanation:
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/upgrd/upgrading-oracle-database-upgrade-assistant-dbua.html#GUID-307DACD9-ECEE-4079-B767-B22620B99900
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/upgrd/upgrading-oracle-database-upgrade-assistant-dbua.html#GUID-8BDDF859-1638-45AC-824D-78FC8154847C

NEW QUESTION # 161
Your CDB has two regular PDBs as well as one application container with two application PDBs and an application seed No changes have been made to the standard PDB$SEED.
How many default temporary tablespaces can be assigned in the CDB?

A. three
B. six
C. eight
D. seven
E. five

Answer: D

NEW QUESTION # 162
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

A. The Statistics Advisor generates actions for all recommendations.
B. Index balanced B*Tree height is considered when evaluating the cost of using an index.
C. Statistics collected using DBMS_STATS always yield the best optimizer result.
D. The number of table rows is considered when evaluating the cost of accessing a table using an index.
E. The Statistics Advisor can help recommend the best way to gather statistics.

Answer: C,E

Explanation:
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/19/tgsql/optimizer-statistics- advisor.html#GUID-D81A7708-FDA0-45BB-A6E2-103858B047AE

NEW QUESTION # 163
Which two are true about Oracle Flashback features? (Choose two.)

A. FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
B. FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files.
C. After a database is restored from flashback logs using the FLASHBACK DATABASE command, it is sometimes rolled forward using redo logs.
D. FLASHBACK DROP can undrop an index when undropping a table.
E. FLASHBACK TABLE can undrop a column.

Answer: C,D

Explanation:
A & B are wrong, because flashback use undo not redo/archive.
Not C because flashback table cannot rever ddl
D & E are correct -> as of before drop retrieve from the recycle bin also the related index, and after using flashback database command, sometimes you could go forward with redo.

NEW QUESTION # 164
Choose the best answer. Examine this configuration: 1. CDB1 is an Oracle Database 12c Release 2 container database (CDB). 2. PDB1 and PDB2 are two pluggable databases (PDBs) in CDB1. After successfully performing all the preupgrade tasks, you execute these commands from the Oracle Database 18c environment: $ export ORACLE_SID=cdb1 $ sqlplus / as sysdba SQL> STARTUP UPGRADE; SQL> SHOW pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------------------------------------------------------------2 PDB$SEED 3 PDB1 4 PDB2 MIGRATE YES MOUNTED YES MOUNTED YES SQL> ALTER PLUGGABLE DATABASE pdb1 OPEN UPGRADE; Pluggable database altered. SQL> exit $ $ORACLE_HOME/perl/bin/perl catctl.pl -C 'PDB2' What is the outcome?

A. Only CDB$ROOT and PDB$SEED are upgraded.
B. Only CDB$ROOT, PDB$SEED, and PDB1 are upgraded.
C. Only CDB$ROOT, PDB$SEED, and PDB2 are upgraded.
D. It fails because PDB2 is not in UPGRADE state.
E. CDB$ROOT, PDB$SEED, PDB1, and PDB2 are upgraded.
F. It fails because PDB$SEED is in MIGRATE state.

Answer: D

NEW QUESTION # 165
......

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1Z0-083 Reliable Test Cram - 100% Pass Realistic Oracle Oracle Database Administration II Certification Exam

1Z0-083 Certification Exam | Valid 1Z0-083 Exam Pattern

Oracle Database Administration II Sample Questions (Q160-Q165):

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