Let’s get straight to it. This is not another “learn SQL” or “revise Power BI” guide. Weak answer: “Star is simple, Snowflake is normalized.” Strong answer: “Star schema improves performance in Power ...

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 ...

My interview experience at Deloitte for Associate Analyst So, my interview lasted about 45-50 mins. When I joined the meeting the interviewer introduced himself and about the company, and he start ...