Day - 4 | Database Indexing & B-Tree Explained | Backend Interview Prep Day 4 (Part 1)

"Learn how database indexing works and why B-Trees make SQL queries fast. On Day 4 of Backend Interview Preparation, we cover full table scans, B-Tree search, node splits, disk I/O, B+Trees, and index trade-offs, plus the interview questions you'll actually be asked."