tSQL multiple date ranges in one query

Posted on 2011-03-11
Last Modified: 2012-05-11

I need to create table with 3 different time ranges

(ONE) Targets table had TargetID as PK
(MANY) Visits table has TargetID

I am getting counts of targets and Business in the visit table..
How could I create it so there is a column for 30 days 60 days and 90 Days

The code below works for 30 days but i want it to have 2 more columns for 60 days and 90 days

any suggestions would be greatly appreciated

Select t.BusinessUnitID, Count(1) as Days30
from dbo.Targets t (nolock)
inner join dbo.VIEW_Visits vv (nolock) 
on vv.CreationTime > getdate()-30
and t.TargetID = vv.TargetID  
and t.businessUnitID in (9,18,1)
Group by  t.BusinessUnitID

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Question by:Leo Torres
LVL 13

Assisted Solution

LIONKING earned 250 total points
ID: 35111358
You could try something along the lines of:

Select t.BusinessUnitID,
c30=SUM(CASE WHEN DATEDIFF(d,vv.CreationTime, getdate()) BETWEEN 0 AND 30 THEN 1 ELSE 0 END),
c60=SUM(CASE WHEN DATEDIFF(d,vv.CreationTime, getdate()) BETWEEN 30 AND 60 THEN 1 ELSE 0 END),
c90=SUM(CASE WHEN DATEDIFF(d,vv.CreationTime, getdate()) BETWEEN 60 AND 90 THEN 1 ELSE 0 END)
from dbo.Targets t (nolock)
inner join dbo.VIEW_Visits vv (nolock)
on t.TargetID = vv.TargetID  
and t.businessUnitID in (9,18,1)
Group by  t.BusinessUnitID

Let us know how it goes...
LVL 51

Accepted Solution

HainKurt earned 250 total points
ID: 35111644
also try this:

Select t.BusinessUnitID,
       c30=SUM(CASE when vv.CreationTime-getdate() between 0 and 30 THEN 1 ELSE 0 END),
       c60=SUM(CASE when vv.CreationTime-getdate() between 31 and 60 THEN 1 ELSE 0 END),
       c90=SUM(CASE when vv.CreationTime-getdate() between 61 and 90 THEN 1 ELSE 0 END),
  from dbo.Targets t (nolock)
       inner join dbo.VIEW_Visits vv (nolock) on t.TargetID = vv.TargetID
 where  t.businessUnitID in (9,18,1) and vv.CreationTime > getdate()-90
 Group by  t.BusinessUnitID

Author Closing Comment

by:Leo Torres
ID: 35111778
haincurt is better it had a time constriant

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