How to get Sum of column by converting them to money(Currently they are in varchar)

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SQL-Server-2008R2

I Have a table let's say a in which I have stored NetAmount as varchar and There is a TechId which is repeating in the table
Currently data is in format like this
PK TechId NetAmount
1 2003 500
2 2003 200
3 2004 400
4 2004 100

I need data like this
TechID CountOfTechId SumOfNetAmount
2003 2 700
2004 2 500

I am able to get Count of Tech ID using Count(TechId) and group by
but how can I add Net amount which is in varchar

-Thanks

Posted 20-Aug-14 4:05am

Vishal Pand3y

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2 solutions

Solution 1

Rule one of data: store it in appropriate columns.
Change your database to use a numeric column and your problem (and the bunch of other future problems you haven't met yet) will go away.

If you don't, then at some point in the future, somehow one of those values is not going to be numeric, and your app will fail - and you won't know why.
Fix it now, all values are validated and changed and you can't enter invalid numbers in future.

Posted 20-Aug-14 4:08am

OriginalGriff

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Vishal Pand3y 21-Aug-14 8:25am

@OriginalGriff I now it's wrong but we have imported this data from salesforce just couldn't change it then

OriginalGriff 21-Aug-14 8:33am

So change it now: and if you get further data from sales, change that as well.
The problem is that salesmen don't care: if it doesn't affect their commission it's irrelevant. So you don't know it's valid numeric data until the first time you come to use it.
At which point your app crashes and it's your fault, not sales.
It's not difficult to change: just try using SQL to alter the field type. If it works, it will convert the numbers as well...if it doesn't, then you know there is a problem in tehre waiting to bite you!

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member33 · Accepted Answer · 2014-08-20T04:09:00

Solution 2

try this

sum(cast(NetAmount as Money))

Posted 20-Aug-14 4:09am

member33