Calculating Avg Of Days Broken Down By Period

Nov 28, 2013

Aim – Calculate the number of days between CreatedDate and [Date_Docs_In_Complete__c],count how many Ids, Fall within a specific month by year, and then work out the avg number of days it took for each month

My query so far

select
ID,
left(CreatedDate,10) as CreatedDate,
left([Date_Docs_In_Complete__c],10) as [Date_Docs_In_Complete__c],
DATEDIFF(day,CreatedDate,[Date_Docs_In_Complete__c]) as Days
from #build

Produces following results

IDCreatedDateDate_Docs_In_Complete__cDays
0063000000ausKGAAY2010-03-262013-07-161208
0063000000mC359AAC2011-06-302013-07-03734
0063000000oyaSPAAY2011-11-292013-07-18597

Desired outcome results would be

Year Month Date_Docs_In_Complete__c Total Days Avg_Days
2013 07 3 2539846.3

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PAGE: (1:377289)
----------------

BUFFER:
-------

BUF @0x01249540
---------------
bpage = 0x2928A000 bhash = 0x00000000 bpageno = (1:377289)
bdbid = 8 breferences = 0 bstat = 0x9
bspin = 0 bnext = 0x00000000

PAGE HEADER:
------------

Page @0x2928A000
----------------
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Allocation Status
-----------------
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PFS (1:372048) = 0x42 ALLOCATED 80_PCT_FULL DIFF (1:6) = NOT CHANGED
ML (1:7) = NOT MIN_LOGGED


Blob fragment at: Page (1:377289) Slot 0 Length: 4266 Type: 3 (DATA)

Blob Id:897099563008


2928A06E: 7fe8108f 64a115ed 245a1a1a b68e502c .......d..Z$,P..
<blob fragment ... >

2928B0FE: 00006278 00006e87 00007ad1 xb...n...z..


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Child fragment at Page (1:377237) Slot 0 Offset: 8080

Child fragment at Page (1:377238) Slot 0 Offset: 16160

Child fragment at Page (1:377239) Slot 0 Offset: 24240

Child fragment at Page (1:377288) Slot 0 Offset: 32320

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