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Oracle SQL - Dynamic Dates

Posted on 2011-03-24
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Last Modified: 2012-05-11
Looking for SQL to create dynamic dates, so that it always pulls from December 1 of prior year to the current date.

Example (if run today):
Select * from my_table where my_date between '12/1/2010' and '3/24/2011'

Need this part to be dynamic: '12/1/2010' and '3/24/2011'
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Question by:carsRST
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4 Comments
 
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Accepted Solution

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sdstuber earned 500 total points
ID: 35208660
elect * from my_table where my_date
between add_months(trunc(sysdate,'yyyy') ,-1) and trunc(sysdate)

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LVL 74

Expert Comment

by:sdstuber
ID: 35208669
note the "between" will exclude all data for today unless my_date is for midnight  00:00:00


if you want to include today, try one of these clauses instead

my_date between add_months(trunc(sysdate,'yyyy') ,-1) and trunc(sysdate)+1 - 1/86400


or

my_date >=  add_months(trunc(sysdate,'yyyy') ,-1) and my_date < trunc(sysdate)+1



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LVL 16

Author Closing Comment

by:carsRST
ID: 35208670
You're a good man!

Thanks.
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LVL 16

Author Comment

by:carsRST
ID: 35208679
>>note the "between" will exclude all data for today unless my_date is for midnight  00:00:00

Actually, I really need as of the previous day anyway.  works out perfectly.

Thank you!
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