System Design Basics in Bangla | Database Indexes (B-Tree, Hash) Explained

If you want to understand how databases return results so fast and how large systems handle millions of queries efficiently, this video is the perfect place to start.

In this beginner-friendly Bangla tutorial, I explain database indexing with simple language, visuals, and real-world examples.

In this video, you’ll learn what a database index is, how indexing works internally, and why indexes dramatically improve query performance. I also explain when to use them, along with common mistakes that can slow down your database — all explained in easy Bangla.

What You’ll Learn in This Video
What is Database Indexing
Why Indexing is important
How database indexes work internally
B-Tree index explained
Hash index explained
Indexing trade-offs (read vs write performance)
When to use indexes and when not to
Real-world examples and use cases

All concepts are explained in simple Bangla, perfect for absolute beginners.

Who Should Watch This?
Beginners learning system design
Backend developers
Database learners
Students preparing for interviews
Anyone curious about how databases optimize performance

System Design Course Link:    • System Design Mastery Course in Bangla  

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