calculate Row Wise Sum - Sql server

Question

This is My table :

ID              Q1         Q2           Q3            Q4
----------------------------------------------------------------
20130712                 


        

Answer 1

Expanding on Roman Pekar, If you're using a temp table and want to do this, you need to use tempdb like this:

select
@stmt = isnull(@stmt + ', ', '') + '[' + name + ']',
@stmt1 = isnull(@stmt1 + ', ', '') + '(' + '[' + name + ']'+  ')'
from tempdb.sys.columns
where object_id = object_id('tempdb..##TempTable') and name not in ('ID')
--ID would be one of the column names you DONT want to sum.
--also notice the double pound sign. you need to declare your temp table with double pounds or it wont work
--also notice how I put brackets around name, that's because my columns weren't working because they had slashes in their names.
--the rest of the code is the same
select @stmt =
          'select Date_Packed, ' + @stmt + '' + 
          ', (select sum(S.Q) from (values ' + @stmt1 +
          ') as S(Q) where S.Q is not null) as [Total] ' +
          'from tempdb..##TempTableas T'
          print @stmt

exec sp_executesql @stmt = @stmt
--don't forget to drop it
          drop table ##TempTable