
DATA MODELS
Quiz
•
Computers
•
9th - 12th Grade
•
Medium
Evans Ugwumsinachi
Used 7+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following is not a primary data model used in DBMS?
Relational data model
Object-Oriented data model
Hierarchical data model
Linear data model
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
In a relational data model, what is a tuple?
A collection of attributes
A single data value
A row in a table
A column in a table
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which data model is best suited for representing complex, interconnected data with a tree-like structure?
Hierarchical data model
Relational data model
Object-Oriented
Network data model
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which data model allows records to have multiple parents, creating a more flexible structure than the hierarchical model?
Relational data model
Hierarchical data model
Object-Oriented data model
Network data model
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following is not a key property of the Relational Data Model?
Data is organized in tables
Data is organized hierarchically
Each column has a unique name
Relationships between tables are defined by keys
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is a data model in a DBMS?
A graphical representation of data
A formal framework for representing data and their relationships
A physical storage structure for databases
A programming language for database queries
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following is not a type of data model?
Relational data model
Network data model
Object-oriented data model
Physical data model
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