SQL Quizzes

Test your foundational knowledge of calculating signup activation rates in SQL using relational tables like emails and texts. This quiz covers concepts such as table relationships, JOIN types, aggregate functions, and rounding results—key areas for SQL interview preparation.

Assess your fundamental knowledge of SQL, including common commands, syntax, and essential concepts. This quiz is designed for beginners seeking to test their understanding of SQL Level 1 topics.

Test your knowledge of fundamental SQL concepts, clauses, and query techniques with this easy, beginner-friendly quiz. Improve your understanding of SQL syntax, filtering, data grouping, and join operations in preparation for interviews or academic assessments.

Test your knowledge of SQL techniques for finding the median salary in a database table, with questions covering window functions, aggregation, and practical query logic. This quiz is ideal for those preparing for interviews or enhancing SQL analytics skills.