LOGICAL ERD
Presentation
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Computers
•
University
•
Medium
Noor Hidayah
Used 14+ times
FREE Resource
1 Slide • 4 Questions
1
2
Multiple Choice
If we have a binary relationship with a cardinality that says M (M = Many) to M (M = Many). How many tables will we create when we convert it into a logical data model?
1 table
2 table
3 table
4 table
3
Multiple Choice
The entity that has not sufficient attributes to form a primary key, such entity is called?
Composite entity
Strong entity
Weak entity
Owner entity
4
Multiple Choice
In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity.
parent
child
instance
subtype
5
Multiple Choice
How do we determine 1:* binary relationship?
Based on cardinality
Based on participation
Based on sixth sense
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