SqlInt - SQL practice and interview workspace
SqlInt is a comprehensive browser-based workspace designed for developers and data professionals to practice SQL queries, master database concepts, and prepare for technical interviews. It combines interactive challenges, story-driven puzzles, and practical mini tools into a single distraction-free environment. Users can write queries directly in the browser with built-in syntax highlighting and autocomplete, receiving instant execution feedback and progress tracking across all problem sets.
- Practice Questions: Solve over 95 interview-style SQL problems categorized by difficulty levels and topics.
- SQL Puzzles: Complete story-driven narratives such as detective mysteries and space adventures that teach database querying concepts.
- Case Studies: Analyze real-world industry scenarios complete with full schemas, datasets, and explanatory solutions.
- Learning Roadmap: Follow a structured 27-topic curriculum spanning beginner syntax to expert analytics and query optimization.
- Mini Tools: Utilize in-browser utilities including a SQL formatter supporting multiple dialects, a CSV to SQL converter, and a JOIN visualizer.
- Progress Tracking: Monitor completion status, solved metrics, and roadmap milestones directly inside your profile.
SqlInt suits developers, data analysts, and job seekers looking to sharpen their database skills through practical application rather than passive reading. The platform is free to start with structured tiers available for expanded access to advanced challenges and premium content.
