Rails 8 App: Setup Test DB in PostgreSQL | Query Performance Using EXPLAIN ANALYZE

Now we’ll go full-on query performance pro mode using EXPLAIN ANALYZE and real plans. We’ll learn how PostgreSQL makes decisions, how to catch slow queries, and how your indexes make them 10x faster. 💎 Part 1: What is EXPLAIN ANALYZE? EXPLAIN shows how PostgreSQL plans to execute your query. ANALYZE runs the query and adds … Continue reading Rails 8 App: Setup Test DB in PostgreSQL | Query Performance Using EXPLAIN ANALYZE