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  🚀 Boost Query Speed with PostgreSQL Materialized Views When performance matters and you're running expensive queries repeatedly , there's a simple trick in PostgreSQL that can save you time: Materialized Views . Let’s break it down, step by step. 🧠 What is a Materialized View? A Materialized View is like a snapshot of a query . It stores the result of a query physically on disk , so you can reuse it without re-executing the original query every time. Think of it like: 📋 A view = live feed 🧊 A materialized view = frozen snapshot (until refreshed) ✅ Why Use Materialized Views? 💨 Faster query responses (no need to rejoin large tables every time) 🔁 Reuse precomputed results 💾 Trade storage for speed 📘 Example: Creating a Materialized View Let’s say you frequently run a report showing staff and their region: CREATE MATERIALIZED VIEW mv_staff AS SELECT s.last_name, s.department, s.job_title, c.region AS company_region FROM staf...