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Create Table LogEntry ( Time nvarchar(30), Name nvarchar(30), Activity nvarchar(30) ) Select * from LogEntry; Insert into LogEntry values('3:28','Sumo','Login'), ('3:31','Sumo','Bathroom'), ('3:33','Sumo','WashHand'), ('3:35','Sumo','Eat'), ('3:32','Rinku','Login'), ('3:34','Rinku','eat'), ('3:35','Rinku','washroom'), ('3:36','Rinku','WashHand')
Time
Name
Activity
select le.* from (select le.*, lag(activity) over (partition by name order by time) as prev_activity from logentry le ) le where activity = 'Eat' and prev_activity <> 'Washhand';
Time
Name
Activity
prev_activity
3:34
Rinku
eat
Login