We will use a window function in SQL to get the running sum of sales by each salesperson so that we can find out who hit the sales target first. This is a very common data analysis SQL interview question. So, master the fundamentals here and you will be an ACE in your next meeting.
#dataanalysis
#sqlinterview
#sql
Learn and Practide SQL coding online at DataCamp, check out my affiliate link:
https://datacamp.pxf.io/KjO5ba