Database Management System (DBMS) MCQs with answers Page - 16

Here, you will find a collection of MCQ questions on Database Management System (DBMS). Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. A model developed by Hammer and Mc Leod in 1981.

  • (A) SDM
  • (B) OODBM
  • (C) DDM
  • (D) RDM

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Q. Object=_________+relationships.

  • (A) data
  • (B) attributes
  • (C) entity
  • (D) constraints

A

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Q. Duplication of data at several places is called as _______________.

  • (A) Data Inconsistency
  • (B) Data Isolation
  • (C) Atomicity Problem
  • (D) Data Redundance

A

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Q. Data Redundancy increases the cost of storing and retrieving data.

  • (A) False
  • (B) True
  • (C) none
  • (D) all

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Q. Which of the information is not redundant.

  • (A) name
  • (B) mobile
  • (C) account-no
  • (D) address

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Q. If in redundant file common fields are not matching then it results in _____________.

  • (A) Data Inconsistency
  • (B) Data Integrity Problem
  • (C) Data Isolation
  • (D) Data Redundancy

A

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Q. It is difficult to access conventional file system than Database System.

  • (A) True
  • (B) False
  • (C) none
  • (D) all

A

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Q. An ________ is a set of entities of the same type that share the same properties, or attributes.

  • (A) Entity set
  • (B) Attribute set
  • (C) Relation set
  • (D) Entity model

A

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Q. Entity is a _________

  • (A) Object of relation
  • (B) Present working model
  • (C) Thing in real world
  • (D) Model of relation

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Q. The descriptive property possessed by each entity set is _________

  • (A) Entity
  • (B) Attribute
  • (C) Relation
  • (D) Model

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