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working with dates

Posted on 2008-06-09
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Last Modified: 2011-09-20
I'm trying to run a query all new customers in the last three months and I can't remember how it went for that. I was thinking <(date three months ago) but that didn't work... how do i put it so that it looks up from up to three months ago? Thanks.
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Question by:StrategicGnomer
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8 Comments
 
LVL 120

Assisted Solution

by:Rey Obrero (Capricorn1)
Rey Obrero (Capricorn1) earned 800 total points
ID: 21746364

select * from TableX
where dateField <=DateAdd("m",-3,Date())
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LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 21746367
what about this:
select ...
  from yourtable
 where registration_date >= dateadd("m", -3, date())

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LVL 120

Expert Comment

by:Rey Obrero (Capricorn1)
ID: 21746378
that will return all records before March 10,2008.   is that what you want?
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Author Comment

by:StrategicGnomer
ID: 21746386
here is the query, it didn't work...

SELECT tblCustomer.ftxNameFirst, tblCustomer.ftxNameLast, TblServProv.SenttoREP
FROM (tblCustomer LEFT JOIN tblElectricData ON tblCustomer.fidCustomer = tblElectricData.fidCustomer) LEFT JOIN TblServProv ON tblElectricData.fidElectric = TblServProv.ID
WHERE (TblServProv.SenttoREP)<=DateAdd("m",-3,Date());
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LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 1200 total points
ID: 21746403
you have to put the condition on left joined table into the join itself:
SELECT tblCustomer.ftxNameFirst, tblCustomer.ftxNameLast, TblServProv.SenttoREP
FROM (tblCustomer LEFT JOIN tblElectricData ON tblCustomer.fidCustomer = tblElectricData.fidCustomer) 
LEFT JOIN TblServProv ON ( tblElectricData.fidElectric = TblServProv.ID AND TblServProv.SenttoREP >= DateAdd("m",-3,Date()));

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LVL 120

Expert Comment

by:Rey Obrero (Capricorn1)
ID: 21746405
try angeIII code,  use >=  instead of <=
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Author Comment

by:StrategicGnomer
ID: 21746831
did that, it says syntax error in join... keep in mind i'm using access 2003 so i think it behaves a little differently then say SQL Server or MySQL but i'm not too sure.
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Author Comment

by:StrategicGnomer
ID: 21746851
oh nm, just a small error, i got it. Thanks
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