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 1hard
Which of the following indicates the maximum number of entities that can be involved in a relationship?
Question 2hard
Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?
Question 3hard
In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity.
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Question 4medium
Which type of entity represents an actual occurrence of an associated generalized entity?
Question 5medium
A recursive relationship is a relationship between an entity and ________ .
Question 6medium
Which of the following indicates the minimum number of entities that must be involved in a relationship?
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Question 7medium
Which of the following refers to something that can be identified in the user's work environment, something that the users want to track?
Question 8hard
In which of the following is a single-entity instance of one type related to many entity instances of another type?
Question 9hard
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?