- AConcrete entity
- BAbstract entity
- CEntity type
- DNone of these
DBMS Data Models - Quiz
- AAn entity is a distinguishable object that has an independent existence in the real world
- BAn entity may be related to itself
- CAn entity may be related to many other entities
- D All of these
- ANone of these
- BIs distinct
- CNeed not be distinct
- DMay or may not be distinct
- AUnique attribute
- BSimple attribute
- CIdentifying attribute
- DMulti-valued attribute
- AAddress
- BRoll number
- C Marks
- DAny of these
- ATwo-way relationship
- BDouble relationship
- CBinary relationship
- DMultiple relationship
- ASquare
- BRectangle
- CDiamond-shaped box
- DEllipse
- AInheritance
- BSpecialization
- CAggregation
- DGeneralization
- AE-R
- BEER
- CUML
- DNone of these
- AConceptual
- BRelational
- CBoth (a) and (b)
- DNone of these
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DBMS Data Models - Quiz
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Percentage: %
- A. Concrete entity
- B. Abstract entity
- C. Entity type
- D. None of these
Remarks:
Explanation: Abstract entity
- A. An entity is a distinguishable object that has an independent existence in the real world
- B. An entity may be related to itself
- C. An entity may be related to many other entities
- D. All of these
Remarks:
Explanation: All of these
- A. None of these
- B. Is distinct
- C. Need not be distinct
- D. May or may not be distinct
Remarks:
Explanation: Need not be distinct
- A. Unique attribute
- B. Simple attribute
- C. Identifying attribute
- D. Multi-valued attribute
Remarks:
Explanation: Identifying attribute
- A. Address
- B. Roll number
- C. Marks
- D. Any of these
Remarks:
Explanation: Roll number
- A. Two-way relationship
- B. Double relationship
- C. Binary relationship
- D. Multiple relationship
Remarks:
Explanation: Binary relationship
- A. Square
- B. Rectangle
- C. Diamond-shaped box
- D. Ellipse
Remarks:
Explanation: Rectangle
- A. Inheritance
- B. Specialization
- C. Aggregation
- D. Generalization
Remarks:
Explanation: Generalization
- A. E-R
- B. EER
- C. UML
- D. None of these
Remarks:
Explanation: UML
- A. Conceptual
- B. Relational
- C. Both (a) and (b)
- D. None of these
Remarks:
Explanation: Conceptual