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amount difference between 2 dats


amount difference between 2 dats

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GilaMonster
GilaMonster
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Group: General Forum Members
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Does this work?

-- first, some setup.

CREATE TABLE #Amounts (
SomeDate DATETIME,
SomeAmount INT
)

insert into #Amounts values ('2008/09/01',500)
insert into #Amounts values ('2008/09/02',1500)
insert into #Amounts values ('2008/09/03',3500)

-- Setup finished


CREATE TABLE #WorkTable (
RowID INT IDENTITY PRIMARY KEY,
SomeDate DATETIME,
SomeAmount INT
)

INSERT INTO #WorkTable (SomeDate, SomeAmount)
SELECT SomeDate, SomeAmount
FROM #Amounts
ORDER BY SomeDate

SELECT CurrentDay.SomeDate, CurrentDay.SomeAmount-PreviousDay.SomeAmount from #WorkTable PreviousDay inner join #WorkTable CurrentDay
on PreviousDay.RowID = CurrentDay.RowID - 1



Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
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mathewspsimon
mathewspsimon
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Group: General Forum Members
Points: 139 Visits: 231
Thanks Gila
Go


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