Rounding numbers
Sometimes in your database development, you may need to round the results of a calculation. There are three functions you can use for this:
CEILING(expression): rounds-up to the nearest integer valueFLOOR(expression): rounds-down to the nearest integer valueROUND(expression, length): rounds the expression to the specified length.
In this exercise, you will get familiar with the rounding functions, by applying them on a query based on the ratings table.
This exercise is part of the course
Functions for Manipulating Data in SQL Server
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
SELECT
rating,
-- Round-up the rating to an integer value
___(___) AS round_up
FROM ratings;