Free Oracle 1Z0-083 Exam Questions

Become Oracle Certified with updated 1Z0-083 exam questions and correct answers

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Total 285 Questions | Updated On: Feb 11, 2026

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Question 1

Choose two. Which two statements are true when row-archival management is enabled?

A : The ORA_ARCHIVE_STATE column may only be queried by users with the DBA role set.

B : The ORA_ARCHIVE_STATE column is only displayed if it is referenced in the column select list of a query

C : The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows.

D : The ORA_ARCHIVE_STATE column may only be updated by users with the DBA role set.

E : The ORA_ARCHIVE_STATE column is updated in an overnight maintenance job based on activity tracking.

Answer: B,C

Question 2

You have configured RMAN SBT channels to write backups to medi
a. You then take an RMAN backup by using this command: Which three are true? (Choose three.)

A : The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.

B : The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.

C : All archive logs created after this backup are kept for two years.

D : The SPFILE is included in the self-contaied archival backup.

E : The control file is included in the self-contained archival backup.

F : The restore point is a label for the system change number (SCN) before the archival backup was taken.

Answer: A,B,D

Question 3

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 two points in time.

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

Answer: A,B

Question 4

Choose the best answer. Examine this configuration:
1. CDB1 is a container database running in ARCHIVELOG mode.
2. Multiple uncommitted transactions are running in CDB1.
3. Redo log groups 1 and 2 are INACTIVE.
4. Redo log group 3 is the CURRENT group
All members of redo log group 3 are lost before it is archived. Examine these possible steps:
1. SHUTDOWN ABORT
2. STARTUP NOMOUNT
3. STARTUP MOUNT
4. ALTER DATABASE MOUNT
5. RESTORE DATABASE
6. RECOVER DATABASE NOREDO
7. RECOVER DATABASE UNTIL AVAILABLE
8. RESTORE ARCHIVELOG ALL
9. ALTER DATABASE OPEN
10. ALTER DATABASE OPEN RESETLOGS
Choose the minimum required steps in the correct order to recover the database.

A : 1,3,5, 6, 9

B : 1,3,5, 7, 10

C : 1,2, 5, 7,4, 10

D : 1,3, 5, 6, 10

E : 1,3,5, 6, 10

F : 1,3,5,8, 6, 10

Answer: B

Question 5

Which three actions are performed by Database Upgrade Assistant (DBUA)? (Choose three.)

A : It recompiles all stored PL/SQL code by using utlrp.sql.

B : It empties the RECYCLE BIN.

C : It performs prerequisite checks to verify if the Oracle database is ready for upgrade.

D : It sets all user tablespaces to ''read-only'' before starting the upgrade.

E : It removes the AUDSYS schema and the AUDIT_ADMIN and AUDIT_VIEWER roles

F : It increases tablespace size, if required, to meet upgrade requirements.

Answer: A,B,C

Page: 1 / 57

Total 285 Questions | Updated On: Feb 11, 2026

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