Database Indexes Explained - Essential SQL

TechWithCP on Instagram: "🔥 What is Database Indexing? Indexing is a technique that makes your database queries 100x faster by avoiding a full table scan. Instead of searching every row, the DB uses an index (like a sorted lookup) to jump directly to the data. 📌 Think of it like the index page in a book — you don’t read all chapters to find one topic. ⸻ ⚙️ How Does an Index Work? Most databases store indexes using B-Tree (Balanced Tree). 📍 It quickly divides and narrows down the search like: