non-trivial
D) Trivial is the opposite of important.
important
Trivial
-->non trivial functional dependency is totally opposite to the trivial functional dependency. --> non trivial dependency means X-->Y that is if Y is not proper subset of X table or relation with X then it said to be non trivial functional dependency.
Trivial is to trifling as tranquil is to tumultuous. Trivial and trifling both refer to things that are unimportant or insignificant, while tranquil and tumultuous are opposites in terms of calmness and chaos. Therefore, the relationship between trivial and trifling mirrors the relationship between tranquil and tumultuous.
surface, trivial, foolish
I think it just means that they're frustrated with your decisions on these trivial matters, perhaps they're not so trivial to him/her. if you want to include more detail then I'm sure you could be helped further :)
Found anywhere; common., Ordinary; commonplace; trifling; vulgar., Of little worth or importance; inconsiderable; trifling; petty; paltry; as, a trivial subject or affair., Of or pertaining to the trivium., One of the three liberal arts forming the trivium.
Found anywhere; common., Ordinary; commonplace; trifling; vulgar., Of little worth or importance; inconsiderable; trifling; petty; paltry; as, a trivial subject or affair., Of or pertaining to the trivium., One of the three liberal arts forming the trivium.
The word trivial means "useless". So a trivial set would be a useless set.
Trivial is an adjective.
Trivial functional dependencyA trivial functional dependency is a functional dependency of an attribute on a superset of itself. {Employee ID, Employee Address} → {Employee Address} is trivial, as is {Employee Address} → {Employee Address}.