Top SQL Projects to Build for Your Portfolio
Top SQL projects to build for your portfolio: 11 project ideas by level with schemas and example queries, plus how to present them on GitHub and where to find data.
Explore the latest SQL tips and tutorials in our blog section. Learn SQL programming, database management, and query optimization.
Top SQL projects to build for your portfolio: 11 project ideas by level with schemas and example queries, plus how to present them on GitHub and where to find data.
40+ SQL interview questions and answers for 2026: joins, GROUP BY, subqueries, window functions, indexes, normalization and classic puzzles, with SQL solutions.
A complete SQL interview guide: how SQL interviews work, a study plan, and 30+ real questions with SQL answers, from joins and GROUP BY to window functions and puzzles.