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Number logged in once a week

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amreddy
Starting Member

1 Post

Posted - 2007-06-05 : 19:25:15

I have a database which contains user_id that has logintime (which gives logintime everytime a user logs into application)
I am trying to get total number of users that logged in once a week, twice a week, once a day, twice a day.
Can you please help me out in this.
Thanks.
Reddy.

khtan
In (Som, Ni, Yak)

17689 Posts

Posted - 2007-06-05 : 19:33:43

once / twice a day


select dateadd(day, datediff(day, 0, logintime), 0), count(*)
from   yourtable
group by dateadd(day, datediff(day, 0, logintime), 0)
having count(*) = 1 -- 2 : twice a day

by week


select dateadd(week, datediff(week, 0, logintime), 0), count(*)
from   yourtable
group by dateadd(week, datediff(week, 0, logintime), 0)
having count(*) = 1

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