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  • From: "Owen, Robert" <robert.owen AT nortonrose.com>
  • To: <s.craig AT andronics.com>, "FreeTDS Development Group" <freetds AT lists.ibiblio.org>
  • Subject: Re: [freetds] Query - Sum(data) by Date?
  • Date: Thu, 10 Nov 2005 16:33:27 -0000

Craig,

If you wish to sum grouping by whole days you need to first create a
temporary pivot table containing containing either whole dates (i.e.
with zero time) or alternatively integers from which you can create
whole dates (using dateadd etc.).

Then join to your table but group by the pivot table row.

Try googling for Pivot and SQL ;)

Rob.


-----Original Message-----
From: freetds-bounces AT lists.ibiblio.org
[mailto:freetds-bounces AT lists.ibiblio.org] On Behalf Of Shaun Craig
Sent: 10 November 2005 15:48
To: FreeTDS Development Group
Subject: [freetds] Query - Sum(data) by Date?


How do i go about this, i have a single table 'Flow' which holds values
for a particular object for a date, ie

'Object' 'Level' 'Date/Time'

Object1 2.0 Nov 09 2005 10:02AM
Object1 3.3 Nov 09 2005 11:32AM
Object1 1.2 Nov 09 2005 13:12PM
etc........
Object1 3.4 Nov 10 2005 04:12AM
Object1 0.1 Nov 10 2005 11:23PM
etc...

I want a query which will sum(level) for each date, so result will look
like the following

'Object' 'Total Level for Date' 'Date'

Object1 6.5 Nov 09 2005
Object1 3.5 Nov 10 2005

Any ideas, had a look on the web but you need to sign up to stuff to see

solutions, not an option.

Thanks,

Shaun.
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