SQL Error Explainer

SQL Error Explainer is a lightweight developer tool that helps you understand SQL error messages instantly. Instead of searching online for confusing database errors, simply paste your SQL error (or SQL query + error) and get a clear explanation with example fixes. Key Features: • Explain common SQL errors like GROUP BY, JOIN, SUBQUERY, WHERE/HAVING, and syntax errors • Supports both "SQL Error only" and "Query + Error" modes • Simple tab-based interface • Beginner-friendly explanations • Works fully offline (no data sent anywhere) • No login, no tracking, no ads Who is this for? • SQL beginners • Backend developers • Java / Spring Boot developers • Interview preparation • Debugging production SQL issues Example Errors Explained: • column must appear in the GROUP BY clause • more than one row returned by a subquery • ambiguous column reference • syntax error near WHERE / HAVING • JOIN and subquery mistakes This extension does NOT collect any user data and does NOT track users. If you frequently work with SQL and want faster debugging, SQL Error Explainer is the perfect companion.