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Join Date: May 2007
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williamindo williamindo is offline Offline
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Help Query Total Asset

  #1  
May 7th, 2007
Asset Table

+-------+---------+-----------+
| Date | Asset | Value |
+-------+---------+-----------+
|1/1/07 |Building | $1000 |
|1/2/01 |Computer | $ 500 |
|2/1/07 | Fax | $ 100 |
+-------+--------+------------+

Result Table I would Like;
+-------+---------------+
| Month | Total Asset |
+-------+---------------+
| 1 | $1500 |
| 2 | $1600 |
+-------+---------------+

However using the following query like this:
"SELECT Sum(Value) AS Total_Aset, Month(Date) AS Month
FROM Asset
WHERE Asset.date between Begindate And Enddate
GROUP BY Month(date);"

I have incorrect query like
+-------+---------------+
| Month | Total Asset |
+-------+---------------+
| 1 | $1500 |
| 2 | $100 |
+-------+---------------+

Can Anyaone help me on this problem?
Thanx...
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Re: Query Total Asset

  #2  
May 8th, 2007
You are not summing in the previous month.
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Re: Query Total Asset

  #3  
May 12th, 2007
Originally Posted by MidiMagic View Post
You are not summing in the previous month.


As Midimagic said, you need to sum the previous month(s) too. One way to do this is using a join

SELECT    curr.AssetYear, curr.AssetMonth,
    SUM(curr.Total + ISNULL(prev.Total, 0)) AS Asset_Total
FROM    (
       SELECT  Year(Date) AS AssetYear, 
           Month(Date) AS AssetMonth, 
           Sum(Value) AS Total
          FROM    Asset
       WHERE   date between @beginDate And @endDate
       GROUP BY Year(Date), Month(Date)
    ) 
    AS curr LEFT JOIN
    (
       SELECT  Year(Date) AS AssetYear, 
           Month(Date) AS AssetMonth, 
           Sum(Value) AS Total
          FROM    Asset
       WHERE   date between @beginDate And @endDate
       GROUP BY Year(Date), Month(Date)
    ) 
    AS prev ON curr.AssetYear = prev.AssetYear 
        AND curr.AssetMonth > prev.AssetMonth
GROUP BY curr.AssetYear, curr.AssetMonth
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