1>trivial dependencies is like,
sid---->sid
sname---->sname
cid------>cid
the meaning fo trivial dependencies is self-depending,i can be determined by itself,
#non_trivial_FD-
sid------>sname
sid_cid---->sname
#semi_non_trivial_fd
AB---->BC
C------>AC
If a relation has no functional dependency than what is the normal form of this relation???
for_example lets take a table
Now from above table we can say "x---->y"
and according to your question ''If a relation has no functional dependency'' its mean that we have only
#NORMALIZATION- is used to reduce redundancy in the database relations, and redundancy occurs if 2 or more relation stored in a single database, and can not use fds here bczz we have only one row in the table,so how can we think about normal forms