Understanding Databases and DBMS

Understanding Databases and DBMS

12th Grade

15 Qs

quiz-placeholder

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Understanding Databases and DBMS

Understanding Databases and DBMS

Assessment

Quiz

Computers

12th Grade

Practice Problem

Easy

Created by

Wilfredo Jr.

Used 4+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a database?

An integrated collection of logically organised data

A collection of unrelated data

A type of software application

A method for storing data

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a data dictionary contain?

Metadata about the database

User data

Backup information

Data processing instructions

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of Data Definition Language (DDL)?

To create and destroy databases

To manipulate data

To query data

To secure data

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main disadvantage of file-based systems?

Data redundancy

High performance

Easy integration

Low cost

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between databases and traditional files?

Databases automatically retrieve data

Traditional files are more secure

Databases are slower

Traditional files are easier to manage

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a bit?

A value that represents the presence or absence of an electronic signal

A group of interrelated fields

A collection of records

A type of database

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of Data Manipulation Language (DML)?

To retrieve, insert, and modify database information

To define database structures

To manage user access

To create backups

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