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Editorial Team
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Asked: 2026-05-23T11:23:30+00:00

Table testTable has 4 columns sessionid int started datetime ended datetime SessionIsRunning bool –

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Table testTable has 4 columns

  • sessionid int
  • started datetime
  • ended datetime
  • SessionIsRunning bool – will be true if last session has not yet ended. Max only one record can be true at anytime since at the most only one session can be running. If no session is running then all records have this as false.

Given two dates say fromDate and toDate, how do I get the first session that started on or after fromDate and the last session that ended on or before toDate. Tricky condition is that if a session is in progress and it’s start date >= fromDate we need this. I am guessing it might not be possible to get both the min and max session id in one sql statement and keep the code readable and easy to maintain. Two separate sql statements is ok. one to get min and one to get max. Then I can query rows using between min and max.

This last statement explains it in a different way. Get all sessions that started or was running and ended or was running between from/to dates thank you

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1 Answer

  1. Editorial Team

    After considering your edits and the comments regarding BETWEEN, this should give you the result set you need. It will pull any record where SessionIsRunning = true as well as sessions thats started AND ended in the date range.

    SELECT * FROM testTable tt
WHERE (tt.started >= fromDate AND tt.started < DATEADD(DAY, 1, toDate)
   AND tt.ended >= fromDate AND tt.ended < DATEADD(DAY, 1, toDate))
   OR SessionIsRunning = true
ORDER BY tt.sessionid
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