SQL Interview Questions for Freshers
Preparing for your first SQL interviews? This set is curated for freshers and early-career developers (0–2 years): the 26 questions that come up most for entry-level roles, each with a clear answer, example code and follow-ups.
26 SQL questions
- 1What is an execution plan?Intermediate
- 2What are isolation levels?Intermediate
- 3What are ACID properties?Intermediate
- 4What is denormalization?Intermediate
- 5What is normalization?Intermediate
- 6What is an index in SQL?Intermediate
- 7What are window functions?Intermediate
- 8What is a CTE?Intermediate
- 9What is a subquery?Intermediate
- 10What is ORDER BY and LIMIT?Beginner
- 11What is a foreign key?Beginner
- 12What is a primary key?Beginner
- 13What is HAVING clause?Beginner
- 14What is GROUP BY?Beginner
- 15What is a LEFT JOIN?Beginner
- 16What is INNER JOIN?Beginner
- 17What is a WHERE clause?Beginner
- 18What is a SELECT statement?Beginner
- 19What is SQL and why is it used?Beginner
- 20SQL Interview Question 2 (Free)Intermediate
- 21SQL Interview Question 1 (Free)Beginner
- 22SQL Interview Question 5 (Free)Intermediate
- 23SQL Interview Question 4 (Free)Beginner
- 24SQL Advanced Interview Question 8Intermediate
- 25SQL Advanced Interview Question 10Beginner
- 26SQL Advanced Interview Question 7Beginner
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Frequently asked questions
Which SQL questions do freshers (0–2 years) get asked?
This page collects 26 SQL interview questions aligned with freshers (0–2 years), ranging across the difficulty levels that match that experience band.
How do I prepare for a SQL interview with my experience level?
Work through these questions in order, make sure you can explain each answer out loud, and pay attention to the real-world examples and follow-ups — interviewers at this level care as much about reasoning as the final answer.
Do the answers include code and examples?
Yes — answers include explanations, code examples where relevant, common mistakes to avoid and follow-up questions so you are ready for the full interview conversation.