troubleshooting Question

SQL for Month over Month change

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saved4useFlag for United States of America asked on
Microsoft SQL ServerMicrosoft SQL Server 2008SQL
4 Comments1 Solution1222 ViewsLast Modified:
I need to calculate month over month changes and express those a percentage.
How can I modify my T-SQL code below to accomplish that? Thanks.

SELECT
Current_MO - Last_MO as MOM_Change

FROM(SELECT
count(distinct a.TRADE_ERROR_ID) as Current_MO


FROM
rpt.V_SHAREPOINT_TRADE_ERRORS a


WHERE
TRADE_DT >= dateadd(month, datediff(month, 0, getdate()) - 1, 0)
AND TRADE_DT < dateadd(month, datediff(month, 0, getdate()), 0)
and a.REP_RESPONSIBLE is not null

UNION ALL

SELECT
count(distinct b.TRADE_ERROR_ID) as Last_MO


FROM
rpt.V_SHAREPOINT_TRADE_ERRORS b
--Inner join


WHERE
b.TRADE_DT >= dateadd(month, datediff(month, 1, getdate()) - 1, 0)
AND b.TRADE_DT < dateadd(month, datediff(month, -1, getdate()), 0)
and b.REP_RESPONSIBLE is not null) as c
ASKER CERTIFIED SOLUTION
Brian Crowe
Database Manager

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