================================================================= [Round rounding and intercepting]
select round(54.56,0)
=============================================================== [Fetch downwards]
SELECT FLOOR(54.56)
================================================================= [Up to round up and intercept]
SELECT CEILING(13.15)
--Usage of MSSQL rounding function
--The decimal part will be cut off by dividing two integers
select 3/4,4/3,5/3
--Result 0, 1, 1
--Returns the minimum integer greater than or equal to the given numeric expression
SELECT CEILING(123.55), CEILING(123.45),CEILING(-123.45), CEILING(0.0)
--Result 124, 124, -123, 0
--
--round (a,b) -- The result a is accurate to the right b position of the decimal point, or the left -b position
select round(54.36,-2), round(54.36,-1),round(54.36,0), round(54.36,1),round(54.36,2)
--Results 100.00, 50.00, 54.00, 54.40, 54.36
--- Rounded and converted into integer
select cast(round(56.361,0) as int),cast(round(56.561,0) as int)
--Result 56, 57
--Give examples to use
--- Divide two integers and discard the decimal part (all are moving forward)
declare @dividend decimal(20,2), @divisor decimal(20,2)
set @dividend=3
set @divisor=4
select CEILING(@dividend/@divisor)
--Result 1
set @dividend=4
set @divisor=3
select CEILING(@dividend/@divisor)
--Result 2
set @dividend=5
set @divisor=3
select CEILING(@dividend/@divisor)
--Result 2
--- Divide two integers round to integer
set @dividend=3
set @divisor=4
select cast(round(@dividend/@divisor,0) as int)
--Result 1
set @dividend=4
set @divisor=3
select cast(round(@dividend/@divisor,0) as int)
--Result 1
set @dividend=5
set @divisor=3
select cast(round(@dividend/@divisor,0) as int)
--Result 2
================================================================= [Round rounding and intercepting]
select round(54.56,0)
=============================================================== [Fetch downwards]
SELECT FLOOR(54.56)
================================================================= [Up to round up and intercept]
SELECT CEILING(13.15)