float foo(int n){
if(n <= 2) return 1;
else return (2*foo(n-1) + 3*foo(n-2));
}
| List-I (Aggregate function) | List-II (Description) |
|---|---|
(A) count(marks) | (III) Count all non null values of marks column |
(B) count() | (I) Count all rows |
(C) avg(marks) | (II) Finding average of non null values of marks |
(D) sum(marks) | (IV) Finding sum of all marks |