[Solved] How to consolidate overlap date in single

Now that I understand your issue, just subtract the 2 dates to determine the time frame difference: SELECT S.Id, S.Start_dt, S.End_dt, S.Division FROM Sample S JOIN ( SELECT S.Id, Max(S.end_dt-S.start_dt) as timeframe FROM Sample S GROUP BY S.Id ) S2 ON S.Id = S2.Id AND S.end_dt-S.start_dt = s2.timeframe Here is the Fiddle. Good luck. 3 … Read more