
Quiz on Relational Database Model
Authored by Dr. Hazirah Bee Binti Yusof Ali
Information Technology (IT)
University

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic component of the relational model?
Indexes
Schemas
Views
Tables
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a key in a relational database do?
Stores data
Identifies rows uniquely
Links tables
Defines attributes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a characteristic of a relational database table?
Two-dimensional structure
Composed of rows and columns
Persistent representation of logical relation
Contains only unique values
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a composite key?
A key that is not unique
A key composed of multiple attributes
A key used for data retrieval
A key with no attributes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is referential integrity in a relational database?
Ensuring all data is unique
Creating redundancy
Maintaining valid relationships between tables
Avoiding null values
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a data dictionary?
To store user data
To provide metadata about the database
To enforce integrity rules
To create relationships between tables
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which relationship type is considered the norm in relational database design?
1:M relationship
M:1 relationship
1:1 relationship
M:N relationship
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