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: Dec 17, 2025

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Question 1

Choose three. Which three are true about a whole database backup?

A :

It can be created only by using RMAN.

B :

It always includes all data files, the current control file, the server parameter file, and archived redo logs.

C :

It can be consistent.

D :

Â It is the only possible backup type for a database in NOARCHIVELOG mode.

E :

It can consist of either backup sets or image copies. F) It can be inconsistent.

Answer: C,D,E

Question 2

Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.)

A : A PDB snapshot is always a full copy of the source PDB.

B : A PDB snapshot is always a sparse copy of the source PDB.

C : A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.

D : A PDB snapshot depends on a storage snapshot which can be stored on any file system.

E : A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.

F : A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.

G : A snapshot copy PDB can be created from a stand-alone clone PDB.

Answer: A,C

Question 3

Choose three. PDB1 and PDB2 are pluggable databases in CDB1. Examine these commands: $ export ORACLE_SID=CDB1 $ sqlplus / as sysdba SQL> STARTUP ....... Database opened. SQL> SHOW PDBS CON_ID CON_NAME --------------------------------------------------------------------OPEN MODE READ ONLY NO MOUNTED MOUNTED SQL> ALTER PLUGGABLE Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb1 SAVE STATE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb1 CLOSE; Pluggable database altered. SQL> ALTER PLUGGABLE A DATABASE pdb2 OPEN; Pluggable database altered. CDB1 is then restarted. Which three are true?

A : PDB2 will be opened READ WRITE.

B : PDB1 will be opened READ WRITE.

C : PDB1 will be MOUNTED.

D : PDB$SEED will be opened READ ONLY.

E : PDB$SEED will be MOUNTED

F : PDB2 will be MOUNTED.

Answer: A,B,D

Question 4

Choose the best answer. SQL Performance Analyzer (SPA) has reported several regressed SQL statements for one of your databases. Which action could help in the performance management of these regressed SQL statements?

A : Create SQL plan directives for each of the regressed statements.

B : Use The SQL Tuning Advisor for each of the regressed statements.

C : Create an adaptive execution plan for each of the regressed statements

D : Use the SQL Access Advisor for each of the regressed statements.

Answer: B

Question 5

Examine this configuration: 1. CDB1 is a container database. 2. PDB1 and PDB2 are pluggable databases in CDB1. You execute these commands successfully: Which two are true? (Choose two.)

A : PDB1 and PDB2 are in MOUNT state.

B : Redo logs are opened.

C : PDB1 and PDB2 are in READ ONLY state.

D : CDB$ROOT is in MOUNT state.

E : PDB$SEED is in READ ONLY state.

Answer: A,D

Page: 1 / 57

Total 285 Questions | Updated On: Dec 17, 2025

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