Database Management System MCQs – Mock Test 112

EER Model Concepts MCQ with Answers PDF Download – Test 112

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The MCQ: In the enhanced-entity-relationship, the collection of entities in the form of set is classified as; "Database Management System MCQs" App (Free Android & iOS) with answers: schema, object, construct, and class for computer software engineer online degree. Practice Entity Relationship Modeling Questions and Answers, Google e-Book to download free chapter to learn online certificate courses.

EER Model Concepts MCQ – Mock Test 112 PDF Download

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

object
schema
class
construct

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

π F1, F2, Fn ( R )
θ F1, F2, Fn ( R )
σ F1, F2, Fn ( R )
β F1, F2, Fn ( R )

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

medium class of entity
mini class of entity
subclass of entity
super class of entity

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

schema
structure
path of design
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:

physical design of database
data model mapping
logical design
both a and c

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