The queries given below are for finding out the count of books under categories excluding the "Novel" category. Estimate which one of the two queries A or B will give better performance and explain why.

Query A:

SELECT Category, COUNT$(*)$

FROM BOOK

WHERE Category $!=$ 'Novel';

GROUP BY Category;

Query B:

SELECT Category, COUNT$(*)$

FROM BOOK

GROUP BY Category

HAVING Category!$=$ 'Novel';