sql add two column in one row code example
Example 1: add multiple columns to table sql
//Example
ALTER TABLE employees
ADD last_name VARCHAR(50),
first_name VARCHAR(40);
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