0 votes 0 votes A functional dependency of the form x → y is trivial if y ⊆ x y ⊂ x x ⊆ y x ⊂ y Databases tbb-dbms-1 + – Bikram asked Nov 26, 2016 edited Nov 19, 2018 by go_editor Bikram 230 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes here we talk about trivial dependency so its clearly x---->y means y ⊆ x so its Trivial. hence option A is correct. Hradesh patel answered Dec 19, 2016 Hradesh patel comment Share Follow See all 0 reply Please log in or register to add a comment.