
ERD
Authored by Phyllis Francois
Other
12th Grade
Used 35+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A person name, birthday and national insurance number are all examples of _________?
Entities
Relationships
Attributes
Descriptors
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An attribute associated with a relationship type is called
Single valued attribute
Descriptive attribute
Key attribute
Simple attribute
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Entity type in ER diagram is represented as
Double diamonds
Diamond
Rectangle
Oval
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Weak entity set is represented as
Underline
Double diamond
Double line
Double rectangle
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you were collecting and storing information about your music collection, an album would be considered a (n)
Relation type
Instance
Attribute
Entity type
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which of the following is single entity instance of one type related to many entity instances of another type?
One to one relationship
One to many relationship
Many to many relationship
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Properties that describe the characteristics of entities are called
Entities
Identifiers
Attributes
Relationships
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