SQL Server Forums
Profile | Register | Active Topics | Members | Search | Forum FAQ
 
Register Now and get your question answered!
Username:
Password:
Save Password
Forgot your Password?

 All Forums
 SQL Server 2005 Forums
 Transact-SQL (2005)
 Non Null as an Aggregate
 New Topic  Reply to Topic
 Printer Friendly
Author Previous Topic Topic Next Topic  

coagulance
Yak Posting Veteran

78 Posts

Posted - 02/14/2013 :  06:51:02  Show Profile  Reply with Quote
I need to insert tqo more colums in the below query where instead of Max or Min , I need to get the first non null value. Can any some one help?


SELECT 
t1.ProcessSegmentS95Id as 'Segment',t2.ProcessSegmentS95Id as 'ChildSegment',
MIN(t1.StartTime) as 'SegmentStartTime' , MAX(t1.EndTime)as 'SegmentEndTime',
MIN(t2.StartTime) as 'ChildSegmentStartTime' , MAX(t2.EndTime)as 'ChildSegmentEndTime'


 FROM (SELECT * FROM [SOADB].[dbo].[SegmentResponse] where Depth = 0 ) t1 
  INNER join 
  (SELECT * FROM [SOADB].[dbo].[SegmentResponse] where Depth=1) t2
  on t1.SegmentResponseId = t2.ParentSegmentResponseId
   
   
  group by t1.ProcessSegmentS95Id ,t2.ProcessSegmentS95Id
  
   order by t1.ProcessSegmentS95Id ,t2.ProcessSegmentS95Id

James K
Flowing Fount of Yak Knowledge

3699 Posts

Posted - 02/14/2013 :  08:02:32  Show Profile  Reply with Quote
When you say "first non null value", that implies an ordering scheme for the rows other than StartTime. What is that ordering scheme?
Go to Top of Page
  Previous Topic Topic Next Topic  
 New Topic  Reply to Topic
 Printer Friendly
Jump To:
SQL Server Forums © 2000-2009 SQLTeam Publishing, LLC Go To Top Of Page
This page was generated in 0.03 seconds. Powered By: Snitz Forums 2000