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Question 160

The ability to change the physical schema without changing the logical schema is called:

  1. AData integrity
  2. BLogical data independence
  3. CData redundancy
  4. DPhysical data independence
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Correct answer: (D) Physical data independence

Explanation

Logical independence is the harder one to achieve.

From DSSSB TGT Computer Science Full Mock Test 3

This is question 160 of DSSSB TGT Computer Science Full Mock Test 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.