Perform mathematical operations affecting one or two values. The result is a value of numeric type.
Add (+)
SELECT 1 + 1 AS x;
Subtract (infix -)
SELECT 1 - 1 AS x;
Negate (unary -)
SELECT - 1 AS x;
Multiply (*)
SELECT 2 * 3 AS x;
Divide (/)
SELECT 6 / 3 AS x;
Modulo or Remainder(%)
SELECT 5 % 2 AS x;