Free Oracle 1Z0-083 Exam Questions

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

Page: 1 / 57

Total 285 Questions | Updated On: Nov 26, 2025

Add To Cart

Question 1

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 2

Choose the best answer. Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?

A :

log writer performance

B :

database writer performance

C :

general operating system health

D :

SQL statements

E :

database instance memory management and sizes

Answer: C

Question 3

Examine this configuration: 1. CDB1 is a container database. 2. COMMON_USER_PREFIX is C##. 3. PDB1 is a pluggable database contained in CDB1. 4. APP1_ROOTis an application container contained in CDB1. 5. APP1_PDB1 is an application PDB contained in APP1_ROOT. You execute these commands successfully: Which two are true? (Choose two.)

A : APP1_USER1can be created in PDB1.

B : APP1_USER1can be created in CDB1.

C : APP1_USER1 can have different privileges in each Application PDB contained in APP1_ROOT.

D : C##_APP_USER1 can be created in CDB1.

E : P1_USER1can be created in CDB1.

F : C##_USER1will have the same privileges and roles granted in all PDBs in CDB1.

Answer: C,D

Question 4

You notice that the performance of your production 24/7 Oracle 12c database has significantly degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance. How can you detect the cause of the degraded performance?

A : Enable Memory Access Mode, which reads performance data from SGA.

B : Use emergency monitoring to fetch data directly from SGA for analysis.

C : Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.

D : Use Active Session History (ASH) data and hang analysis in regular performance monitoring,

E : Run ADDM in diagnostic mode.

Answer: B

Question 5

Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)

A : cloning a remote container database in interactive mode

B : cloning a remote pluggable database in silent mode

C : relocating a remote pluggable database in interactive mode

D : relocating a remote container database in silent mode

E : cloning a remote container database in silent mode

F : relocating a remote pluggable database in silent mode

G : relocating a remote container database in interactive mode.

Answer: A,B

Page: 1 / 57

Total 285 Questions | Updated On: Nov 26, 2025

Add To Cart