tsql query to get the data each day of the range

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tsql query to get the data each day of the range

Author

Topic

sqlservernovice
Starting Member

9 Posts

Posted - 2012-12-11 : 16:24:11

Declare @date1= '01-01-2012'
Select a.ID, a.locID, @date1 AS OperatingDate
from dataset A
where A.startDate <= @date1
AND (A.endDate >= @date1 or a.endDate is null)
AND A.condition <> 1

the data looks like this when execution of this query
id locID OperatingDate

716 30411 1-1-2011
828 10615 1-1-2011
.
.
some 100 records

But when given a range i want to get the data in the following format
id locID OperatingDate
7165 30411 1-2-2011
8284 10615 1-2-2011
.
.
some 100 records
7165 30411 1-3-2011
8284 10615 1-3-2011
.
.
some 92 records
7165 30411 1-4-2011
8284 10615 1-4-2011
.
.
some 99 records

How can i achieve it,not sure what would be the best option to use a while or cursor or a CTE

sunitabeck
Master Smack Fu Yak Hacker

5155 Posts

Posted - 2012-12-11 : 17:21:47

Do you mean something like this?

DECLARE @date1 DATETIME = '20120101'
DECLARE @date2 DATETIME = '20120430';
SELECT a.ID,
       a.locID,
       @date1 AS OperatingDate
FROM   dataset A
WHERE  A.startDate >= @date1
       AND (A.endDate <= @date2 OR a.endDate IS NULL)
       AND A.condition <> 1

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-12-14 : 02:03:32

till how many months you've to repeat this?


DECLARE @date1 DATETIME = '20120101'
DECLARE @date2 DATETIME = '20120430';

;With Months (N)
AS
(
SELECT 0
UNION ALL
SELECT N+1
FROM Months
WHERE DATEADD(mm,N+1,@date1) <=@date2
)
SELECT a.ID,
       a.locID,
       DATEADD(mm,N,@date1) AS OperatingDate
FROM   dataset A
CROSS JOIN Months m
WHERE  A.startDate >= @date1
       AND (A.endDate <= @date1 OR a.endDate IS NULL)
       AND A.condition <> 1

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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