Formater tal til 2 decimaler

Når du formaterer tal til 2 decimaler, har du to muligheder TRUNCATE og ROUND . Du leder efter TRUNCATE funktion.

Eksempler:

Uden afrunding:

TRUNCATE(0.166, 2)
-- will be evaluated to 0.16

TRUNCATE(0.164, 2)
-- will be evaluated to 0.16

docs:http://www.w3resource.com/mysql /mathematical-functions/mysql-truncate-function.php

Med afrunding:

ROUND(0.166, 2)
-- will be evaluated to 0.17

ROUND(0.164, 2)
-- will be evaluated to 0.16

docs:http://www.w3resource.com/mysql /mathematical-functions/mysql-round-function.php