data models categories

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In database management system, term which is used to represent real world concept or object is classified as

In database management system, term which is used to represent real world concept or object is classified as
  • A. entity
  • B. attribute
  • C. relationship
  • D. abstraction
  • Correct Answer: Option A

Concepts of data models that are only useful to computer specialists rather than end users of programs are classified as

Concepts of data models that are only useful to computer specialists rather than end users of programs are classified as
  • A. triggered data models
  • B. logical data models
  • C. conceptual data models
  • D. physical data models
  • Correct Answer: Option D

In categories of data modeling, low level data models are also called

In categories of data modeling, low level data models are also called
  • A. conceptual data models
  • B. physical data models
  • C. triggered data models
  • D. logical data models
  • Correct Answer: Option B

Form of data model which focuses concepts in same way as data stored in computer system is classified as

Form of data model which focuses concepts in same way as data stored in computer system is classified as
  • A. low level data models
  • B. high level data models
  • C. dynamic data models
  • D. medium level data models
  • Correct Answer: Option A

Form of data model in which concepts provided are useful for end users and are also close to way it is stored in computer system is called

Form of data model in which concepts provided are useful for end users and are also close to way it is stored in computer system is called
  • A. representational data models
  • B. implementation data models
  • C. clientele data models
  • D. both a and b
  • Correct Answer: Option D