Write optimized SQL queries for complex data requirements. Handle multi-table joins, aggregations, window functions, CTEs, subqueries, and performance optimization. Use when the user needs to write a SQL query, optimize a slow query, understand a query plan, design a schema, or work with database da
Write optimized SQL queries for complex data requirements. Handle multi-table joins, aggregations, window functions, CTEs, subqueries, and performance optimization. Use when the user needs to write a SQL query, optimize a slow query, understand a query plan, design a schema, or work with database data.