Round Function Example and Usage in sql


In this article I am going to explain about the Round function in sql.How it will be working in sql and how to use Round function in sql(in my point of view).i have given some more examples here about the round functions.Please read and use it your application whenever it is required. Learn Round Function Example and Usage in sql

It is about Round Function Example and Usage in sql


Hai Friends,

First:Positive Number(it will be working left to right)
example:

select round(1234.5573,1)

The answer is 1234.6000.Second number is 5.it is Equal to 5 so,adding one to the previous number.ie)previous number is 5+adding one number=6 The Another example:

select round(1234.9573,1)


The answer is 1235.0000.Second number is 5.so,adding one to the previous number.ie)previous number is 9+adding one number=10.it is two digit number.so it will adding tens number(ie 1) to the given number(before the decimal number)ie.1234+1=1235
The Another example:

select round(1234.5643,2)
Ans:1234.5600
select round(1234.5653,2)
Ans:1234.5700
select round(1234.5643,3)
Ans:1234.5640

Second:Positive Number(it will be working right to Left.it dont consider after the decimal numbers)

Which is Opposite to the Positive precision number.
select round(1234.5373,-1)
Ans:1230.0000

First number is 4 which is less than 5,so it will round the number to zero.

select round(1239.5573,-1)
Ans:1240.0000

First number is 9 which is Greater than 5,so it will round the number to 10.The ten's number one is added to the previous number.1239+1=1240

select round(1234.9573,-1)
Ans:1230.0000
select round(1235.9573,-1)
Ans:1240.0000

First number is 5 which is equal to 5,so it will round the number 5 to 10.The ten's number one is added to the previous number.1230+10=1240.0000

select round(1234.5643,-2)
Ans:1200.0000
select round(1234.5653,-2)
Ans:1200.0000
select round(1234.5643,-3)
Ans:1000.0000

Third:precision number is zero

select round(1234.5373,0)
Ans:1235.0000
select round(1234.5973,0)
Ans:1235.0000
select round(1239.9573,0)
Ans:1240.0000
select round(1239.4643,0)
Ans:1239.0000

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Comments

Author: Vijayalakshmi G M02 Nov 2011 Member Level: Gold   Points : 0

Hi Rathin,

1. It is really good information.
2. It provides all syntaxes related to the round function in sql



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