sum of two columns in sql code example

Example 1: sql sum and other fields

SELECT sum(a) as car,b,c FROM toys 
GROUP BY b, c

Example 2: sql add two values together

SELECT  ID, SUM(VALUE1 + VALUE2)
FROM    tableName
GROUP   BY ID

--or simple addition

SELECT
	ID,
	(VALUE1 + VALUE2) as AddedValues
FROM tableName