Additional Interview Questions

Welcome to Additional Technical Interview Questions, an essential chapter on your path to becoming a successful data engineer. While the fundamentals, such as SQL queries, data modeling, and pipeline orchestration, were covered in earlier chapters, this chapter aims to introduce you to the more subtle, and frequently more difficult, aspects of data engineering interviews.

Many candidates perform admirably on the fundamental questions but struggle on the more difficult ones, which are frequently the ones they will encounter while working. To close those knowledge and readiness gaps, this chapter has been written. You can increase your confidence and show potential employers that you have the skills and knowledge necessary to handle real-world data engineering challenges by practicing these difficult questions and mastering the underlying concepts.

Now, let’s take a look at these additional questions:

• Question 1: What is a data lake...