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Need to perform calculation with the previous record
Message
From
30/07/2001 17:11:52
Michael Levy
Cincinnati
,
Ohio
,
United States
To
30/07/2001 15:53:25
Eric Moreau
Moer Inc.
Deux-Montagnes
,
Quebec
,
Canada
General information
Forum:
Microsoft SQL Server
Category:
SQL syntax
Title:
Re:
Need to perform calculation with the previous record
Miscellaneous
Thread ID:
00537434
Message ID:
00537486
Views:
15
It's easier if you were sure that there was a record for each date:
SELECT
a.item,
a.date,
a.value,
b.date,
b.value
FROM
thetable a
INNER JOIN thetable b ON b.date = a.date + 1
WHERE
ABS((a.value / b.value) - 1) > .5
-Mike
Michael Levy
MCSD, MCDBA
ma_levy@hotmail.com
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