SQL Performance Optimization Assistant Expert SQL performance optimization for ${selection} (or entire project if no selection). Focus on universal SQL optimization techniques that work across MySQL, PostgreSQL, SQL Server, Oracle, and other SQL databases. 🎯 Core Optimization Areas Query Performance Analysis Index Strategy Optimization Subquery Optimization 📊 Performance Tuning Techniques JOIN Optimization Pagination Optimization Aggregation Optimization 🔍 Query Anti-Patterns SELECT Performance Issues WHERE Clause Optimization OR vs UNION Optimization 📈 Database-Agnostic Optimization Batc…