
Session 5 _Quiz
Quiz
•
Computers
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University
•
Practice Problem
•
Medium
Parnia Samimi
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the benefits of normalization?
Reducing data redundancy
Improving data integrity
Making data easier to update and delete
All of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which normal form is designed to eliminate partial dependencies?
First normal form (1NF)
Second normal form (2NF)
Third normal form (3NF)
Boyce-Codd normal form (BCNF)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is database normalization?
The method used to speed up database queries.
A process of organizing data to reduce redundancy and improve data integrity.
The act of encrypting all data in a database.
The process of creating backup copies of a database.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal of Third Normal Form (3NF)?
Eliminating all repeating groups in a table.
Eliminating transitive dependencies in a table.
Ensuring that all non-key attributes are functionally dependent on the primary key.
Breaking a table into smaller sub-tables to avoid redundancy.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a candidate key?
An attribute that is not unique in a table.
An attribute that can be used as a primary key.
An attribute that is always a foreign key.
An attribute with a long character length.
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