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Database Design Quiz

Authored by Menna Tarek

Education

University

Used 1+ times

Database Design Quiz
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69 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary purpose of normalization in database design?

To increase data redundancy

To reduce data redundancy and dependency

To complicate table structures

To speed up data retrieval

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which normal form eliminates repeating groups?

2NF

3NF

1NF

BCNF

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does functional dependency describe?

The speed of data retrieval

The relationship between attributes in a relational database

The size of the database

The security of the database

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ensuring that data remains the same across all instances and updates refers to:

Data accuracy

Data completeness

Data consistency

Data reliability

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of data integrity ensures that each row in a table is uniquely identifiable?

Domain integrity

Entity integrity

Referential integrity

User-defined integrity

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does referential integrity maintain?

Data values within a defined range

Business rules defined by users

Consistency between related tables

Protection from physical threats

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Implementing checks to ensure that data meets predefined rules and formats is known as:

Data backup

Data auditing

Data validation

Data constraint

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