Technical interview questions
The focus of this chapter’s final portion shifts to how our database knowledge can be used in technical interviews. Here, we list often-asked interview questions for data engineering positions.
This portion serves two purposes: to assess your comprehension of the fundamental and advanced database concepts presented in prior sections and to improve your ability to communicate your solutions. You can understand the underlying ideas and create a systematic approach to problem-solving because each question is supported with a thorough answer and explanation.
By actively participating in these interview questions, you will strengthen your understanding of database foundations and gain more confidence in your ability to reply to technical questions during job interviews:
- Question 1: What is a primary key, and why is it important in a relational database?
Answer: A primary key is the unique identifier for each row in a table. It cannot be...
