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Key-Value, Document, Wide-Column, Graph - 4 NoSQL Types Explained (System

NoSQL is not one thing - it's four completely different data models. Choosing the wrong one is just as bad as choosing SQL when you shouldn't.

1 min read

NoSQL is not one thing - it’s four completely different data models. Choosing the wrong one is just as bad as choosing SQL when you shouldn’t.

What’s in the video (7m 19s)

  • 0:00 — Types of NoSQL Databases
  • 0:30 — Key Differences of SQL (Relational) and NoSQL (Non-Relational) Databases
  • 1:07 — When to Choose a SQL Database?
  • 1:29 — Limitation of a SQL Database
  • 1:56 — When to Choose a NoSQL Database?
  • 2:12 — What is a Key-Value Store?
  • 3:01 — What is a Document Store or Document Database?
  • 4:01 — Wide-Column Databases and Graph Databases
  • 4:21 — What is a Wide-Column Store or Wide-Column Database?
  • 4:57 — What is a Graph Database?
  • 5:39 — Choosing the Right NoSQL Database
  • 6:21 — Multi-Model Databases - The Future

Resources

For more in this series, visit the #system-design tag page or jump to the channel uploads list for everything else.

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