Partitioning vs Sharding vs Replication – Explained in 5 Minutes for Interviews
In this video, I explain the most commonly asked System Design
interview question — Partitioning vs Sharding vs Replication —
in a simple, clear, and interview-ready format.
Whether you're preparing for FAANG, product-based companies,
or any backend engineering role, these 3 concepts are a MUST KNOW.
━━━━━━━━━━━━━━━━━━━━━━━━━
🔥 WHAT YOU'LL LEARN
━━━━━━━━━━━━━━━━━━━━━━━━━
✅ What is Database Partitioning (Horizontal vs Vertical)
✅ What is Sharding and how it differs from Partitioning
✅ What is Replication and why it's used
✅ A one-liner answer to use directly in your interview
✅ Comparison table — Partitioning vs Sharding vs Replication
━━━━━━━━━━━━━━━━━━━━━━━━━
💬 INTERVIEW-READY ONE LINER
━━━━━━━━━━━━━━━━━━━━━━━━━
"Partitioning splits data inside a single database, sharding
distributes data across multiple servers, and replication copies
the same data for high availability."
🔔 SUBSCRIBE for weekly System Design &
Interview Prep videos!
#systemdesign #sharding #databasereplication
#interviewprep #softwaredevelopment