LOGICAL ERD

LOGICAL ERD

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

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

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

Multiple Choice

How do we determine 1:* binary relationship?

• Based on cardinality

• Based on participation

• Based on sixth sense