DBMS MCQ Questions and Answers

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Q141
The operator which can hold multiple values is
  • A IN
  • B =
  • C >
  • D <
Answer: Option A
Q142
A person
  • A Record
  • B Database
  • C Byte
  • D Entity
Answer: Option D
Q143
Collectively, a course number, course title, and course description would be called
  • A record
  • B field
  • C file
  • D database
Answer: Option A
Q144
A group of related files makes up
  • A master file
  • B database
  • C entity
  • D attribute
Answer: Option B
Q145
A characteristic or quality describing a particular entity is called
  • A record
  • B file
  • C attribute
  • D . pointer.
Answer: Option C
Q146
Which of the following is an attribute?
  • A student
  • B student database
  • C student personal history file
  • D student
Answer: Option D
Q147
The field in a record that uniquely identifies instances of that record so that it can be retrieved, updated, or sorted best describes
  • A master key
  • B master field
  • C attribute
  • D key field.
Answer: Option D
Q148
The smallest data element in the data hierarchy is a:
  • A byte.
  • B field
  • C bit
  • D file
Answer: Option C
Q149
Problems with the traditional file environment include
  • A data redundancy
  • B poor data security
  • C inability to share data among applications
  • D all of the above
Answer: Option D
Q150
The situation that occurs when different divisions, functional areas, and groups in an organization independently collect the same piece of information best describes:
  • A program-data independence.
  • B data redundancy.
  • C lack of flexibility.
  • D poor security.
Answer: Option B

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