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Oracle Mcqs Test Online

Maan AliLast Updated: October 10, 2025

Oracle Mcqs Test

Total Questions:	20
Time Allowed:	10 Minutes
Total Marks:	20
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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Oracle Mcqs Test Practice Online

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1. Which processes is an instance made of Oracle?

Data processes

Memory processes

Oracle background processes

All of the Mentioned

2. The ____________ contains a set of tables and views that Oracle uses as a reference to the database?

PGA

SGA

Data dictionary

Library cache

3. What does DLL stands for ?

Dynamic Link Library

Dynamic Load Library

Dynamic Language Library

None of the above

4. A CONTROL BLOCK can sometimes refer to a BASETABLE ?

True

False

5. Which area of PGA stores binding variables and run-time buffers information?

Session area

Stack space

SQL area

Private SQL area

6. Which of the following is the root directory for oracle?

ORACLE_HOME

ORACLE_BASE

ORACLE_ROOT

ORACLE_SERVER

7. We can create SNAPSHOTLOG for DBA?

Neither A nor

Complex snapshots

Simple snapshots

Both A & B

8. Which of the following components comprise an Oracle architecture?

Database related background processes

All of the Mentioned

Tablespaces

Datafiles

9. What is the probable cause for getting the following error stack?

ERROR: ORA-01034: ORACLE not available
ORA-07318: smsget: open error when opening sgadef.dbf file.
HP-UX Error: 2: No such file or directory

The Oracle namespace is shutdown that they are trying to access

The Oracle segment is shutdown that they are trying to access

None of the above

The Oracle instance is shutdown that they are trying to access

10. ____________ is an area on disk which comprises of one or more disk files?

Heap

A package

A partition

A table space

11. What is the use of an index?

Related data requires much less I/O overhead if accessed simultaneously

Retrieve data more quickly and efficiently

All of them

Simplify the user’s perception of data access

12. The redo log buffer and Shared pool are elements of?

SGA

Buffer cache

PGA

PGA and Buffer cache

13. Which of the following is not an reason for the fact that most of the processing is done at the server ?

To reduce network traffic

For application sharing

To implement business rules centrally

None of the above

14. SNAPSHOT is used for DBA?

Dynamic data replication

Table space

Synonym

System server

15. What is the use of extent in Oracle?

Stores rollback information used when data must be rolled back

Minimize the amount of wasted (empty) storage

Stores user data within the database

None of the Mentioned

16. In Oracle, which of below are types of segments?

Data Segment

Permanent Segment

Object Segment

All of the Mentioned

17. What is the use of Library cache?

Log of changes made to the database

Used to store shared SQL

All of the Mentioned

Contains User information, such as user privileges

18. A data block is?

All of the above

The place where all deleted records are persisted

The smallest logical storage unit for a database object

The largest logical storage unit ever available for any database block

19. Which of the following segment is destroyed when the SQL statement is finished?

Temporary Segment

Object Segment

Data Segment

All of the Mentioned

20. Constraints cannot be exported through EXPORT command

True

False

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Maan AliLast Updated: October 10, 2025

Oracle Mcqs Test Online

Oracle Mcqs Test

Oracle Mcqs Test Practice Online

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