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CPET401-DBMS-Assessment1

Total questions: 15

Worksheet time: 3mins

Name
Class
Date
1.

It allows you to store information in a structured way, so it can be retrieved and manipulated efficiently.

a)

File System

b)

Database

c)

Storage

d)

Data Mart

2.

is an organized collection of data that can be easily accessed, managed, and updated.

(a)  

3.

is basically software that manages the collection of related data

a)

Relational Database Management Systems

b)

Object Database Management System

c)

Database Systems

d)

Database Management Systems

4.

A description of a specific collection of data, using a given data model

a)

Entity

b)

Table

c)

Schema

d)

Metadata

5.

On this step of Normalization Ensure that each column holds atomic

a)

3BNF

b)

1st Normal Form

c)

3rd Normal Form

d)

2nd Normal Form

6.

An independent entity with its own primary key

a)

Strong Entity

b)

Composite

c)

Multivalued

d)

Weak Entity

7.

Uniquely identifies each record in an entity.

a)

Foreign Key

b)

Candidate Key

c)

Primary Key

d)

Composite Key

8.

SQL stands for

(a)  

9.

On this database normalization, it removes partial dependency: no non-key attribute should depend on part of a composite primary key.

a)

1st Normal Form

b)

2nd Normal Form

c)

3rd Normal Form

d)

3BNF

10.

A ___________ describes the association between entities.

a)

driver

b)

attributes

c)

relationship

d)

entity

11.

is a visual representation of a database structure that illustrates how data entities are related

a)

Data Flow Diagram

b)

Context Diagram

c)

Data Schema

d)

Entity Relationship Diagram

12.

On this database normalization Every determinant is a candidate key.

a)

3BNF

b)

3rd Normal Form

c)

2nd Normal Form

d)

1st Normal Form

13.

A field in one entity that references the Primary Key of another entity to create relationships.

a)

Candidate Key

b)

Foreign Key

c)

Multivalued Key

d)

Atomic Key

14.

is a fundamental process in designing a well-structured relational database

(a)  

15.

An SQL Command that show active databases

(a)