Databases MCQ with Answers

Databases MCQ with Answers

22) Manager's salary details are hidden from the employee. This is

Answer is:

conceptual level data hiding

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

Answer is:

integrity constraint

24) Which of the following contains a complete record of all activity that affected the contents of a database during a certain period off time

Answer is:

Transaction log

25) Updating a data base means

Answer is:

revising the file structure

26) Which of the following contains complete record of all activity that affected the contents of a database during a certain period of time

Answer is:

d-BASE

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