How do I add values from two seperate querys in SQL
- by fishhead
Below is my attempt at addinf two values from seperate select statments...it's not working...I can't see why. Looking for some direction
thanks
select (v1.Value + v2.Value) as total from
 ( 
 (Select   Max(Value) as [Value]  from History WHERE 
  Datetime>='Apr 11 2010  6:05AM'      and Datetime<='Apr 11 2010  6:05PM' 
  and Tagname ='RWQ272017DTD' ) as v1
 (Select   Max(Value) as [Value]  from History WHERE 
  Datetime>='Apr 11 2010  6:05AM'      and Datetime<='Apr 11 2010  6:05PM' 
  and Tagname ='RU282001DTD' ) as v2
)  
boy do I feel foolish...I asked the same question a few days ago...now I can't delete this.