Quiz

Relational Database Design and Modeling for Software Engineers

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Quiz

Question 1

What is the purpose of data modeling in database design?

A

To store data in a hierarchical structure.

B

To organize data into tables for better access and management.

C

To define the process of collecting data.

D

To create visual representations of data structures and relationships.

Question 2

Which level of data modeling is closest to the user’s perspective?

A

Conceptual data modeling

B

Logical data modeling

C

Physical data modeling

D

Relational data modeling

Question 3

What is the difference between logical and physical data models?

A

Logical models are business-focused, while physical models are implementation-focused.

B

Logical models include constraints, while physical models do not.

C

Logical models focus on storage, while physical models focus on relationships.

D

Logical models are used for optimization, while physical models are used for analysis.

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