Data Modeling with ER Model MCQs
Practice free Data Modeling with ER Model multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 41 questions — no login required.
Question 29hard
When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships.
Question 30hard
A subtype entity is a special case of another entity called a supertype entity.
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Question 31hard
An entity is something that can be identified in the user's work environment; something that the users want to track.
Question 33hard
1:1, 1:N and N:M relationships are also known as HAS-A relationships.
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Question 34hard
In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship.
Question 35hard
A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance.
Question 36hard
An entity class is a collection of entities and is described by the structure of the entities in that class.