Computer Science - MCQs

Q __________ level is also called logical level.

  • A Conceptual
  • B External
  • C Internal
  • D View
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Computer Science Database Management System Uploaded By: Safdar Ali

Q There are mainly __________ levels of data abstraction.

  • A 5
  • B 3
  • C 2
  • D 4
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Computer Science Database Management System Uploaded By: Safdar Ali

Q The Relational Data Model was proposed by __________.

  • A Charles Bachman
  • B Michael Widenius
  • C Edger F. Codd
  • D Bjarne Stroustrup
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Computer Science Database Management System Uploaded By: Safdar Ali

Q Who developed the first DBMS called Integrated Data Store (IDS)?

  • A Charles Babbage
  • B Dennis Ritchie
  • C Bill Gates
  • D Charles W. Bachman
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Computer Science Database Management System Uploaded By: Safdar Ali

Q The data that describes and provides information about other data is called __________.

  • A data set
  • B repository
  • C data mining
  • D metadata
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Computer Science Database Management System Uploaded By: Safdar Ali

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