DbVisualizer is a professional database tool supporting 40+ databases with both free and Pro editions. Pro licensing starts at approximately $197/year per user (pricing varies by volume). The tool emphasizes visualization with graphical explain plans, ER diagram auto-generation, and visual query builder for complex joins. Supports JDBC-compatible databases including Oracle, SQL Server, MySQL, PostgreSQL, DB2, Sybase, and cloud warehouses. Enterprise features in Pro include SQL Commander (advanced editor), parameterized scripts, scheduled jobs, and dual-pane SQL editor for split comparisons. The visual explain plan is particularly detailed, showing execution costs and data flow. No native AI integration exists, though the comprehensive visualization features reduce the need for AI explanation. Best suited for DBAs and developers who value visual representation of query execution and database structure. Page should cover: free vs Pro feature comparison, supported databases matrix, visual explain plan interpretation, query builder tutorial, comparison with DataGrip, and enterprise licensing options.