Database Management System MCQs - Chapter 1

Data Modeling: Entity Relationship Model Multiple Choice Questions (MCQ) PDF - 12

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Data Modeling Entity Relationship Model Questions & Answers PDF Download: MCQ Quiz 12

MCQ 56: The kind of entities without any key attributes are classified as

A) weak entity

B) strong entity

C) single entity

D) foreign entity

MCQ 57: The most popular high level conceptual model in database management system is

A) close end relation model

B) query relation model

C) entity relationship model

D) attribute relationship model

MCQ 58: The maximum number of instances that can participate into the binary relationship is classified as

A) floating ratio

B) cardinality ratio

C) intensive ratio

D) extensive ratio

MCQ 59: In entity-relationship diagrams, the types of relationships among entities are represented by

A) squared box

B) diamond shaped box

C) oval shaped box

D) rectangular box

MCQ 60: If in database of employees, the Age attribute is derived attribute then date of birth is classified as

A) logical attribute

B) physical attribute

C) conceptual attribute

D) stored attribute

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