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

An Oracle Data Indicator is a database management system that offers a structured data structure for monitoring IT resources within companies and managing security and versioning objects of data models. True or False?

True

False

2 / 20

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

.sql

.txt

.ora

.pls

3 / 20

Which of the following SQL phrase is not supported by Oracle?

DROP SEQUENCE [SequenceName]

CREATE SEQUENCE [SequenceName]

ON UPDATE CASCADE

ON DELETE CASCADE

4 / 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

5 / 20

MySQL belongs to which category of database management systems?

Network DBMS

Hierarchical DBMS

Object-oriented DBMS

Relational DBMS

6 / 20

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

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

You cannot increase or decrease the number of decimal places

You can drop a column at any time

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

7 / 20

Which of the following database was designed first for enterprise gridcomputing?

SQL

Google database

Oracle database

MongoDB

8 / 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]

9 / 20

A _______________ is used to logically group data together.

Tablespace

Database

Object

Datafiles

10 / 20

Which of the following is not an Oracle-supported trigger?

INSTEAD OF

BEFORE

AFTER

DURING

11 / 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

12 / 20

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

Offline ReDo file

Control file

OnLine ReDo file

Datafile

13 / 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

14 / 20

What is the purpose of the Oracle Instance?

It manages the memory and process structures used by the database

It stores information about the backup and recovery of the database

It provides access to the data stored in the database

It stores information about the users of the database

15 / 20

Which processes is an instance made of Oracle?

Memory processes

Data processes

Oracle background processes

All of the Mentioned

16 / 20

Which prefixes are available to Oracle triggers?

Neither :new nor :old

:new only

:old only

Both :new and :old

17 / 20

Sequences guarantee valid surrogate key values. True or False?

True

False

18 / 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]

19 / 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

20 / 20

Which of the following is the oldest database model?

Network

Deductive

Relational

Physical

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!