
er model
Authored by NV CHALLA
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. In an ER diagram, a rectangle represents:
A) Attribute
B) Entity
C) Relationship
D) Key
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. An oval shape in an ER diagram is used for:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. A diamond shape in an ER diagram represents:
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. A double rectangle is used for:
A) Strong entity
B) Attribute
C) Weak entity
D) Multivalued attribute
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Which shape represents a multivalued attribute?
A) Dashed oval
B) Double oval
C) Rectangle
D) Circle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Underlined ovals in ER diagrams represent:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Composite attributes are represented using:
Ellipse connected to ellipse
Dashed ellipse
Double rectangle
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