Obtaining Running Totals -- sql server programming

sql server programming : Obtaining Running Totals

madhivanan2001 NO[at]SPAM gmail.com
2/27/2005 10:01:54 PM

Try this

Declare @t table(INTERVAL int, TOTAL integer)
insert into @T values(1,5)
insert into @T values(2,3)
insert into @T values(3,1)
insert into @T values(4,7)
insert into @T values(5,4)

select *,(select sum(total) from @t where interval <=T.Interval) as
'Running Total' from @t T

Madhivanan

Jeff B.
2/27/2005 11:44:06 PM

I am working on a report and need to figure out a way to come up with
running totals based on a column value. Let me explain...

As shown in the query below, I am displaying "totalmealsize", "minmealsize",
and "maxmealsize" for a particular interval number (which can be anywhere
between 1 and 24). What I would like to do is display a running total for
each interval that summarizes all previous intervals. For example, given
the following data:

INTERVAL TOTAL RUNNING-TOTAL
1 5 5
2 3 8
3 1 9
4 7 16
5 4 20

As you can see, the RUNNING-TOTAL is the sum of all previous interval values
(I would want to do something similar with the min/max values as well). I
have tried various things but have not succeeded. I realize I can do this
in (C#) code as well as probably even create a user-defined function to
handle it. However, I would like to keep it in standard SQL if possible.

Any ideas?

<BEGIN SQL QUERY>
SELECT t.Name, tl.Level, id.sequencenumber, id.intervalnumber,
id.RunAnimalID,
id.totalmealsize AS SMS, id.minmealsize AS SMS_MIN, id.maxmealsize
AS SMS_MAX
FROM intervaldetail id
INNER JOIN TreatmentLevel tl ON id.RunAnimalID = tl.RunAnimalID
INNER JOIN Treatment t on t.TreatmentID = tl.TreatmentID
WHERE id.intervalsetid = 99
ORDER BY t.Name, tl.Level, id.sequencenumber
<END SQL QUERY>

--- Thanks, Jeff

Jeff B.
2/28/2005 9:46:37 AM

Thanks everyone for your replies. The subquery did the trick. I had tried
that one before but I must have had the syntax wrong because I wasn't able
to get it to work. Now it is working just fine.

--- Thanks, Jeff

[quoted text, click to view]

Roji. P. Thomas
2/28/2005 11:52:24 AM

Here is a repro,

CREATE TABLE #Totals(ID int IDENTITY(1,1), total int)

INSERT INTO #Totals VALUES(100)
INSERT INTO #Totals VALUES(200)
INSERT INTO #Totals VALUES(300)
INSERT INTO #Totals VALUES(400)

SELECT A.ID , A.Total,(SELECT SUM(total)
FROM #Totals B WHERE B.ID <=A.ID) As RunningTotal
FROM #Totals A

DROP TABLE #Totals

--
Roji. P. Thomas
Net Asset Management
https://www.netassetmanagement.com

[quoted text, click to view]

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