Hi I have an query and i want to assign 0 for null or empty values
i add tow pictrs first one for the query second one for the result. and i point wher i want the result should be zero
IFNULL(expr1,expr2)
If expr1 is not NULL, IFNULL() returns expr1, else it returns expr2. IFNULL() returns a numeric or string value, depending on the context in which it is used.