Databases interview preparation

SQL Interview Questions & Practice

Master relational databases — queries, joins, aggregation, indexing, transactions, and query optimisation across major RDBMS platforms.

Practice SQL interview questions across beginner, intermediate, and advanced difficulty levels. Each session is built to help you review core concepts, spot gaps, and prepare for technical interviews.

What you will practice

Core SQL concepts and terminology
Practical patterns, trade-offs, and production scenarios
Timed mock interview questions with explanations

Start the SQL practice course or browse all 77 technology courses.

5,411+ hand-crafted questions across 77 technologies across the full Mock Interview Prep question bank.