MS sql Select query on time bases

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SQL-Server-2008R2

Table Structure

CSS

TrackId StartTime   EndTime
1   2014-10-16 05:48:17 2014-10-16 05:52:25
2   2014-10-16 05:49:17 2014-10-16 05:52:25
1   2014-10-16 05:49:17 2014-10-16 05:52:25
1   2014-10-17 10:49:17 2014-10-16 10:51:25

Out put needed

CSS

Time    Count
2014-10-16 05:49:00 1
2014-10-16 05:50:00 3
2014-10-16 05:51:00 3
2014-10-16 05:52:00 3
2014-10-17 10:50:00 1
2014-10-17 10:51:00 1

Please help to build select query

Posted 29-Oct-14 18:36pm

Jithin Geroge

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Dilan Shaminda · Answer 1 · 2014-10-29T18:46:00

Solution 1

you can round the time to the nearest minute

SQL

declare @dt datetime
set @dt = '09-22-2007 15:07:38.850'
select dateadd(mi, datediff(mi, 0, dateadd(s, 30, @dt)), 0)

Output : 2007-09-22 15:08:00.000

Read this thread for more details

Posted 29-Oct-14 18:46pm

Dilan Shaminda

v2

Comments

Jithin Geroge 30-Oct-14 0:53am

Please little be specific for my descried output. I need the interval between startdate and enddate and the count of that intervals.. Please help

Dilan Shaminda 30-Oct-14 1:04am

get the difference between start and end dates after rounded them to the nearest minute.Then you can use count(*) to get the intervals and don't forget to group by time when you are counting them

Dilan Shaminda 30-Oct-14 1:06am

check this thread as well

http://stackoverflow.com/questions/10087605/get-all-dates-with-a-week-interval-given-a-start-date-and-end-date