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Database - Normalization for Relational Databases

Avatto > > UGC NET COMPUTER SCIENCE > > PRACTICE QUESTIONS > > Database > > Normalization for Relational Databases

21. The employee salary should not be greater than Rs. 2000. This is

  • A

    integrity constraint

    right wrong
  • B

    referential constraint

    right wrong
  • C

    over-defined constraint

    wrong right
  • D

    feasible constraint

    right wrong
  • Answer
  • Comment
    •   
    Array
  • Option : A
  • Explanation :
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22. Which of the following contains a complete record of all activity that affected the contents of a database during a certain period offtime

  • A

    Report writer

    right wrong
  • B

    Query language

    right wrong
  • C

    Data manipulation language

    wrong right
  • D

    Transaction log

    right wrong
  • Answer
  • Comment
    •   
    Array
  • Option : D
  • Explanation :
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23. Transaction processing is associated with everything below except

  • A

    Producing detail, summary, or exception reports

    right wrong
  • B

    Recording a business activity

    right wrong
  • C

    Confirming an action or triggering a response

    wrong right
  • D

    Maintaining data

    right wrong
  • Answer
  • Comment
    •   
    Array
  • Option : C
  • Explanation :
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