Data Analyst

What are the most common errors encountered in BI? Which ones have you faced?

Can you give a specific example when you found something and told the business, and they were engaged/reacted?

Evaluate yourself on the ability to ask the right questions and interact productively with internal customers (on a five-point scale).

Have you worked with native Python or with some libraries?

Tell us about the largest data storage you have designed or developed. What was your role in that project?

What documentation should accompany a data warehouse?

Has there been anything in the company over 8 months that you could take credit for?

What other window functions do you know besides ROW_NUMBER, and what do they do?

What do you find burdensome in the work of a data analyst?

Tell about a case of the best dashboard you developed: who was the client, what metrics did you look at, how did you measure the usefulness of the tool?

Which query will be faster: with WHERE or with HAVING?

What would you like to study additionally now?

What is the difference between WHERE and HAVING?

What qualities do you think one should possess to demonstrate achievements?

Tell us about your data processing tools. What do you work with (SQL, Python)?