Q&A

Here are a few questions related to data analysis in Power BI that may arise during the interview.

Question 1: How do you usually start the process of building a Power BI solution?

Answer: A Power BI solution is basically a way to provide answers to an organization’s business problems. I start by asking questions in a structured way. This involves first understanding the organization structure, business functions or domains, and business processes. Then I question the metrics that drive the business processes, functions, and organization. I then find out how these metrics are calculated, where the data for these are sourced, and how they are queried. Finally, I start designing my solution based on this information.

Question 2: How do you handle repetitive processes that you have to handle when processing data?

Answer: I use functions to encapsulate commonly used logic. For instance, I have a function that I use to split column names into multiple words to...