Oracle Database Management: Intermediate-Level Quiz

Oracle Database Management Quiz

Welcome to the "Oracle Database Management" quiz! This quiz tests your knowledge of key practices like performance tuning, backup and recovery, and security management. Whether preparing for a database role or enhancing your skills, let's dive in!

1 / 20

After a table has been created, its structure can be modified using the SQL command;

CHANGE TABLE [TableName]

ALTER TABLE [TableName]

UPDATE TABLE [TableName]

MODIFY TABLE [TableName]

2 / 20

What Oracle backup and recover file contains user and system data?

Offline ReDo file

Control file

OnLine ReDo file

Datafile

3 / 20

The default extension for an Oracle SQL*Plus file is:

.sql

.txt

.ora

.pls

4 / 20

SQL*Plus will finish the statement and execute it when the user types in this:

A semicolon ( ; ) followed by [Enter]

A left slash ( ) followed by [Enter]

A colon ( : ) followed by [Enter]

A period ( . ) followed by [Enter]

5 / 20

Which of the following is record based logical model?

Object oriented model

E-R Model

Network Model

None of the Mentioned

6 / 20

A _______________ is used to logically group data together.

Tablespace

Database

Object

Datafiles

7 / 20

Oracle allows the ORDER BY clause in view definitions. True or False?

True

False

8 / 20

MySQL belongs to which category of database management systems?

Network DBMS

Hierarchical DBMS

Object-oriented DBMS

Relational DBMS

9 / 20

Which of the following is the oldest database model?

Network

Deductive

Relational

Physical

10 / 20

To see the contents of the SQL*Plus buffer, type:

LIST

CONTENTS

CURRENT

BUFFER

11 / 20

An Oracle System Change Number (SCN):

is a value that is incremented whenever a dirty read occurs.

is a value that keeps track of explicit locks

is incremented whenever a deadlock occurs

is a value that is incremented whenever database changes are made

12 / 20

What is the purpose of the Oracle Data Dictionary?

It stores information about the users of the database

It stores information about the backup and recovery of the database

It stores information about the performance of the database

It stores information about the structure of the database

13 / 20

What type of failure occurs when Oracle fails due to an operating system or computer hardware failure?

Media Failure

Application failure

Rollback failure

Instance Failure

14 / 20

What is the purpose of the Oracle Database?

It manages the memory and process structures used by the database

It provides access to the data stored in the database

It stores and manages the data used by the application

All of the above

15 / 20

You have linked SQL*Plus to an external text editor. To invoke the text editor for use within SQL*Plus, which command do you use?

Open [FileName]

Alter [FileName]

Edit [FileName]

Show [FileName]

16 / 20

Which of the following is not true of SQL views?

Using the Oracle Database Configuration Assistant

Using the SQL CREATE DATABASE command

Using the Oracle-supplied database creation procedures

None of the above is correct

17 / 20

Which of the following is not true about modifying table columns?

You can add a column at any time as long as it is a NULL column

You cannot increase or decrease the number of decimal places

You can drop a column at any time

You can increase the number of characters in character columns or the number of digits in numeric columns

18 / 20

Which of the following is correct about Oracle?

Oracle was built in 1977

OracleDB is another for it

Oracle is a relational database management system

All of the above

19 / 20

Which of the following is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

Data Definition Language(DDL)

Data Manipulation Language(DML)

DDL and DML

None of the Mentioned

20 / 20

Which prefixes are available to Oracle triggers?

Neither :new nor :old

:new only

:old only

Both :new and :old

Your score is

The average score is 0%

Oracle database management covers the core concepts and tasks of maintaining, configuring, and optimizing an Oracle database.

This includes user management, storage configuration, performance tuning, backups, and security settings.

This quiz is essential for database administrators and developers to ensure the database operates efficiently and securely.

All the best!