DBMS-Object Oriented Database Questions and Answers

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Showing 10 of 23 questions
Q11
Semantic Data Model (SDM) was developed by
  • A M. Hammer and D McLeod.
  • B M. Hammer
  • C D. McLeod
  • D E.F. Codd.
Answer: Option A
Q12
Object-oriented data models(OODMs) and object-relation
  • A first-generation DBMs.
  • B second-generation DBMSs
  • C third-generation DBMSs
  • D none of these
Answer: Option C
Q13
An OODBMS can hold
  • A data and text
  • B voice and video
  • C pictures and images
  • D All of these
Answer: Option D
Q14
Which of the following is an OO feature ?
  • A Polymorphism
  • B Inheritance
  • C Abstraction
  • D all of these
Answer: Option D
Q15
Object-oriented concepts stem from
  • A SQL
  • B OPL
  • C QUEL
  • D None of these
Answer: Option B
Q16
OO concepts first appeared in programming languages such as
  • A Ada.
  • B Algol
  • C SIMULA.
  • D All of these
Answer: Option D
Q17
A class is a collection of
  • A similar objects
  • B similar objects withh shared attributes.
  • C similar objects with shared attributes and behavior
  • D None of these
Answer: Option C
Q18
Today, OO concepts are applied in the areas of database such as
  • A software engineering
  • B knoledge base.
  • C artificial intelligence.
  • D All of these.
Answer: Option D
Q19
An association between classes or objects may be a
  • A one-to-one
  • B many-to-one
  • C many-to-many
  • D All of these
Answer: Option D
Q20
OODBMSs have
  • A enriched modelling capabilities.
  • B more expressive query languages.
  • C support for schema evolution
  • D All of these.
Answer: Option D

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