SQL SERVER 2012 – T-SQL Scripts to Find Maximum between

I need to find maximum between two numbers, So, I was searching for a solution to find maximum number between two numbers and I found few interesting articles by Pinal Dave And Madhivana .

I also would like to add one more solution with the help of new logical function “IIF” in SQL SERVER 2012.

Example 1 :

DECLARE @Value1 DECIMAL(5,2) = 9.22
DECLARE @Value2 DECIMAL(5,2) = 8.34
SELECT IIF(ISNULL(@Value1,0) > ISNULL(@Value2,0) ,@Value1, @Value2) AS MaxColumn
--RESULT
9.22

Example 2 : (With NULL)

DECLARE @Value1 DECIMAL(5,2) = 9.22
DECLARE @Value2 DECIMAL(5,2) = NULL
SELECT IIF(ISNULL(@Value1,0) > ISNULL(@Value2,0) ,@Value1, @Value2) AS MaxColumn
--RESULT
9.22

Example 3 : (With Negative Value)

DECLARE @Value1 DECIMAL(5,2) = -9.22
DECLARE @Value2 DECIMAL(5,2) = 8.34
SELECT IIF(ISNULL(@Value1,0) > ISNULL(@Value2,0) ,@Value1, @Value2) AS MaxColumn
--RESULT
8.34