Free, open-source SQL Server execution plan analyzer — cross-platform GUI + CLI with 30 analysis rules, missing index detection, SSMS extension. Built-in MCP server for AI-assisted plan review.

Battle-tested SQL Server performance diagnostic toolkit for developers and DBAs. Quickly detect blocking, missing indexes and slow queries.

🔄 PostgreSQL MCP Server – AI-Powered PostgreSQL Management & Monitoring. A powerful, AI-integrated PostgreSQL Model Context Protocol (MCP) server for automated database operations, monitoring, security, diagnostics, and optimization. Seamlessly manage PostgreSQL with 237+ tools designed for AI assistants like Claude and ChatGPT.

Supabase Debug Playground — a hands-on lab for diagnosing and fixing common Supabase issues (Auth, RLS, Realtime, RPC, and indexing) with reproducible debugging patterns and examples.

Spring Boot demo comparing JPA lazy loading (N+1 problem) vs EntityGraph optimization. Shows performance difference between 11 queries vs 1 query for Books-Authors many-to-many relationship. Includes query counting, tests, and metrics.

Fast and minimalist interface for analyzing MySQL/MariaDB slow logs

A curated collection of MySQL scripts covering DDL, DML, and DRL operations. Ideal for beginners to practice and understand core SQL concepts.

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Real-world SQL query optimization case studies with before/after performance metrics and best practices

Analyze SQL Server execution plans across platforms with automated insights, missing index suggestions, and a built-in AI-assisted MCP server.