Open In App

UGC-NET | UGC NET CS 2018 July – II | Question 68

Like Article
Like
Save
Share
Report

Database systems that store each relation in a separate operating system file may use the operating system’s authorization scheme, instead of defining a special scheme themselves. In this case, which of the following is false?
(A) The administrator enjoys more control on the grant option
(B) It is difficult to differentiate among the update, delete and insert authorizations.
(C) Cannot store more than one relation in a file.
(D) Operations on the database are speeded up as the authorization procedure is carried out at the operating system level.


Answer: (D)

Explanation: Database systems that store each relation in a separate operating system file may use the operating system’s authorization scheme, instead of defining a special scheme themselves. In this case:

  • The administrator enjoys more control on the grant optionTrue
  • It is difficult to differentiate among the update, delete and insert authorizations.True
  • We cannot store more than one relation in a file.True
  • Operations on the database are speeded up as the authorization procedure is carried out at the operating system level. False
  • So, option (D) is correct.

    Quiz of this Question


    Last Updated : 14 Sep, 2018
    Like Article
    Save Article
    Previous
    Next
    Share your thoughts in the comments
    Similar Reads