Database Concepts Quiz

Database Concepts Quiz

Professional Development

12 Qs

quiz-placeholder

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Database Concepts Quiz

Database Concepts Quiz

Assessment

Quiz

Computers

Professional Development

Practice Problem

Medium

Created by

Bharati Ramageri

Used 1+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a three-tier architecture, which tier is responsible for business logic?

Presentation Tier

Data Tier

Application Tier

Client Tier

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Data independence refers to:

The ability to run queries without a database

The ability to change the database schema without affecting the application

The ability to use multiple database types

The independence of data from the user interface

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The cardinality ratio of a relationship describes:

The physical storage size of data

The number of attributes in a table

The number of instances of one entity that can or must be associated with instances of another entity

The speed of data retrieval

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a type of database model?

Relational Model

Hierarchical Model

Network Model

Graphical Model

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In database terminology, an entity is best defined as:

A unique identifier for a record

A real-world object or concept represented in the database

A collection of attributes

A set of relationships

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of key is used to uniquely identify a record in a database table?

Foreign Key

Composite Key

Primary Key

Candidate Key

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A foreign key in a database is used to:

Increase data storage capacity

Enforce referential integrity between two tables

Serve as a primary key in the same table

Improve data retrieval speed

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