select t1.flight_id,t2.flight_id, concat(t1.flight_id,',',t2.flight_id),t3.city_name, ...
A team of Vietnamese students got to the finals of the LSI Design Contest thanks to an AI chip solution to detect anomalies on objects. The Vietnam National University (VNU) in Hanoi on Friday said ...
we have a swipe table which keeps track of the employee login and logout timings. 1. Find out the time employee person spent in office on a particular day (office hours = last logout time - first ...