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SQL 2008 - Date Filter for TODAY and TODAY-30 Days

allenkent
allenkent asked
on
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Last Modified: 2017-05-25
I have this date format in my view (table) :  2017-03-10 13:45:16.567

I am trying to get today only in my view. I have tried the following:

SELECT     TOP (100) PERCENT DateCompleted
FROM         dbo.tblSuperDateChecker
WHERE     (DateCompleted = RTRIM(CONVERT(char(10), GETDATE(), 101)))

SELECT     TOP (100) PERCENT DateCompleted
FROM         dbo.tblSerialMasterPending
WHERE     (DateCompleted = CONVERT(Varchar(8), GETDATE(), 112))

I have piece of data that should be showing: (here is date filter removed). The top line should display because today is the 10th
2017-03-10 13:45:16.567
2017-03-09 13:45:13.550
2017-03-09 13:45:10.540
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Jim HornSQL Server Data Dude
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Author of the Year 2015

Commented:
CAST(GETDATE() as date) will return the date part of GETDATE() without the time.
SELECT DateCompleted
FROM dbo.tblSuperDateChecker
WHERE DateCompleted >= CAST(GETDATE() as date)

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Author

Commented:
Perfect. Where do I put additional -30 days (today to 30 days ago)
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Commented:
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PortletPaulEE Topic Advisor
CERTIFIED EXPERT
Most Valuable Expert 2014
Awarded 2013

Commented:
here is another approach which allows the 30 days ago data to be presented on the same row as today
declare @today datetime
set @today = dateadd(dd, datediff(dd,0, getDate()), 0) -- this would be the normal line

SELECT top(1) t.DateCompleted, oa.P30DateCompleted
FROM tblSerialMasterPending t
OUTER APPLY(
    select top(1) DateCompleted P30DateCompleted
    from tblSerialMasterPending p30
    where p30.DateCompleted >= dateadd(day,-30,@today) and p30.DateCompleted < dateadd(day,-29,@today)
    order by p30.DateCompleted DESC
    ) oa
WHERE t.DateCompleted >= @today and t.DateCompleted < dateadd(day,30,@today)
ORDER BY t.DateCompleted DESC

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e.g.
+---------------------+---------------------+
|    DateCompleted    |  P30DateCompleted   |
+---------------------+---------------------+
| 10.03.2017 13:45:16 | 08.02.2017 13:14:15 |
+---------------------+---------------------+

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