Posts tagged with #Query Optimization

A production query was scanning ~1M rows and taking ~5s. By rewriting a `NOT IN` status filter into a selective `IN` predicate, execution dropped to ~50ms.

The EXPLAIN ANALYZE command in SQL is a powerful tool for optimizing query performance by providing insights into query execution plans and resource usage. In this post, we explore how to use EXPLAIN ANALYZE effectively to identify and resolve performance bottlenecks in SQL queries.