Test by Bikram | Databases | Test 1 | Question: 29

Question

A functional dependency of the form x → y is trivial if

• A. y ⊆ x
• B. y ⊂ x
• C. x ⊆ y
• D. x ⊂ y

Answer 1

here we talk about trivial dependency so its clearly  x---->y means  y ⊆ x   so its Trivial.

hence option A  is correct.