The difference between Correlated and non$-$correlated$$is$/$are

Question $9$ options:

B$.$ A non$-$Correlated subquery is faster than the correlated subquery, because a correlated inner subquery executes for each row of the outer query.

A$.$ A correlated$$ subquery produces results independently of outer select, whereas non $-$ correlated subquery must have a value from the outer select before it executes.

Both B and C

C$.$ A non $-$ correlated$$ subquery produces results independently of outer select, whereas correlated subquery must have a value from the outer select before it executes.