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Database Management System Practice Test 112

EER Model Concepts MCQ Questions and Answers PDF - 112

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EER Model Concepts MCQ with Answers PDF Download: Quiz 112

MCQ 556: In the enhanced-entity-relationship, the collection of entities in the form of set is classified as

A) object
B) schema
C) class
D) construct

MCQ 557: The expression of generalized projection can be written as

A) π F1, F2, Fn ( R )
B) θ F1, F2, Fn ( R )
C) σ F1, F2, Fn ( R )
D) β F1, F2, Fn ( R )

MCQ 558: The entity involved in the process of specialization is considered as

A) medium class of entity
B) mini class of entity
C) subclass of entity
D) super class of entity

MCQ 559: The complete description of database which is described in design phase and is changed rarely is called

A) schema
B) structure
C) path of design
D) data cycle scheme

MCQ 560: The step in database design in which the high level data model is converted into the model of data implementation is considered as

A) physical design of database
B) data model mapping
C) logical design
D) both a and c

Database Management System Exam Prep Tests

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Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

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Digital Logic Design App (Android & iOS)

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Computer Architecture App (Android & iOS)