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By Jacob Sebastian,
TSQL Challenge 53 - Finding empty and non-empty intervals among many start-end intervals
A SQL Server instance is set up to log the session start time and end time into a table. Given this table, your job is to find all time intervals in which no one is logged in. For the intervals separated by these empty intervals show the maximum number of simultaneous users.
Populate a calendar table with user set interval start and end datetime values.
Creating time intervals on overlapping events
sql time intervals problem
Who is logged on in 15 minute intervals
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