NIELIT 2016 DEC Scientist B (CS) - Section B: 31

Question

Rule which states that addition of same attributes to right side and left side will result in other valid dependency is classified as

• A. referential rule
• B. inferential rule
• C. augmentation rule
• D. reflexive rule

Answer 1

Option C : augmentation rule.

Answer 2

 

1

 

Augmentation rule in Functional dependencey states that

when X -> Y ,

then XZ->YZ.

Answer 3

ANS : C AUGMENTATION

AUGMENTATION  rule in Functional dependencey states that

when  A-> B

then AC->BC