DBMS MCQ Question and Answer

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