68. 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 ?
(1) The administrator enjoys more control on the grant option.operating system’s authorization scheme, instead of defining a special scheme themselves.
In this case, which of the following is false ?
(2) It is difficult to differentiate among the update, delete and insert authorizations.
(3) Cannot store more than one relation in a file.
(4) Operations on the database are speeded up as the authorization procedure is carried
out at the operating system level.
Answer: 1
| Previous | Next |
| UGC NET CS 2018 July - II Question 67 | UGC NET CS 2018 July - II Question 69 |
No comments:
Post a Comment