Entity Relationship Modeling Quiz

Quiz
•
Information Technology (IT)
•
University
•
Medium
Benhar undefined
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Entity Relationship Model (ERM) describe?
Relationships among entities
Data storage methods
Database security measures
User interface design
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What shape represents an entity in an Entity Relationship Diagram (ERD)?
Circle
Diamond
Rectangle
Triangle
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How should entity names be written in an ERD?
In lowercase
In plural form
In capital letters and singular form
In italics
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is each row in a relational table known as?
Entity relationship
Entity set
Entity instance
Entity attribute
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What describes associations among data in an ER model?
Entities
Instances
Relationships
Attributes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does connectivity refer to in an ERD?
The type of relationship
The size of the database
The type of data
The number of attributes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Chen notation, how are relationships represented?
By circles
By diamonds
By rectangles
By ovals
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