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 How to show variance in column values
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vignesht50
Yak Posting Veteran

76 Posts

Posted - 02/19/2014 :  09:29:35  Show Profile  Reply with Quote
Hi,

This is my table structure
--=====
create table calculate(
ID int identity (1,1),
PreviousYear_Profit float not null,
)

insert into calculate values (12500)
insert into calculate values (22700)
insert into calculate values (18500)
insert into calculate values (25800)
--======

I want to calculate variance and expected output is

ID PreviousYear PriorVersion Variance
1 12500 sum(PreviousYear) PreviousYear-PriorVersion
2 22700 sum(PreviousYear) PreviousYear-PriorVersion
3 18500 sum(PreviousYear) PreviousYear-PriorVersion
4 25800 sum(PreviousYear) PreviousYear-PriorVersion

I don't have PriorVersion and Variance columns.
PriorVersion will be like sum(PreviousYear)
Variance will be (PreviousYear - PriorVersion)

I can query if I have column, since I don't have these two column how could I possibly achieve the output using my existing table schema. Can anyone assist me in this.

Edited by - vignesht50 on 02/19/2014 11:52:45

visakh16
Very Important crosS Applying yaK Herder

India
52309 Posts

Posted - 02/20/2014 :  00:26:26  Show Profile  Reply with Quote
if you dont have those columns how do you get values for it? does it come from user input or another table?

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