DBC CHAPTER 2 - REVISION

Quiz
•
Computers
•
University
•
Medium
Marliana (AS)
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary role of data models in an organization?
To manage hardware resources
To serve as a communication tool
To store data permanently
To create user interfaces
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is NOT a basic building block of a data model?
Relationship
Function
Attribute
Entity
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of relationship describes an association where one entity can relate to many others?
None of the above
Many-to-many (M:N)
One-to-many (1:M)
One-to-one (1:1)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a business rule?
A type of data model
A description of a policy within an organization
A method for data storage
A programming language
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the conceptual model provide?
A physical representation of data
A global view of the entire database
A detailed view of the database
A user interface design
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which level of data abstraction is the end user's view of the data environment?
Conceptual Model
Internal Model
External Model
Logical Model
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of mapping in data models?
To enforce security measures
To visualize data
To create new data
To translate elements between different levels
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