EER Model Concepts Quiz Questions and Answers PDF Download eBook
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"In the enhanced-entity-relationship, the collection of entities in the form of set is classified as", eer model concepts Multiple Choice Questions (MCQ) with choices schema, object, class, and construct for online certificate programs. Learn entity relationship modeling questions and answers with free online certification courses for applied computer science.
Quiz on EER Model Concepts PDF Download eBook
MCQ: In the enhanced-entity-relationship, the collection of entities in the form of set is classified as
- object
- schema
- class
- construct
C
MCQ: 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 )
A
MCQ: 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
D
MCQ: 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
A
MCQ: 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
D