Database Management Midterm Exam Part 1

Database Management Midterm Exam Part 1

University

15 Qs

quiz-placeholder

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Database Management Midterm Exam Part 1

Database Management Midterm Exam Part 1

Assessment

Quiz

Instructional Technology

University

Medium

Created by

JONARD LOPEZ

Used 1+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does data integrity primarily refer to?

Completeness, accuracy, and reliability

Speed, efficiency, and scalability

Accessibility, flexibility, and security

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In data modeling, what does the Entity-Relationship Model (ERM) focus on?

Describing real-world entities and relationships between them

Optimizing database performance and storage

Implementing complex algorithms for data analysis

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a primary key constraint in a database?

To establish links between tables

To ensure each record is uniquely identified

To prevent null values in key attributes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which constraint ensures that if a foreign key exists in one table, the corresponding primary key exists in another table?

Referential Integrity Constraint

Entity Integrity Constraint

Foreign Key Constraint

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an Entity-Relationship Diagram (ERD) primarily depict?

The physical layout of database tables

The logical structure of data and relationships between entities

The flow of data within a system

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do the components of an ER Diagram include?

Entities, attributes, and relationships

Tables, rows, and columns

Functions, procedures, and triggers

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a One-to-Many relationship, what is the cardinality?

One entity can be related to only one instance of another entity

One entity can be related to multiple instances of another entity

Multiple instances of one entity can be related to multiple instances of another entity

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