What is MongoDB?

What You'll Learn

• What MongoDB is
• MongoDB vs SQL databases
• Key features

What is MongoDB?

MongoDB is a document-oriented NoSQL database that stores data in flexible, JSON-like documents called BSON (Binary JSON).

MongoDB vs SQL

Key Features

• Flexible Schema - No predefined structure
• Horizontal Scaling - Sharding support
• Rich Queries - Powerful query language
• Indexing - Various index types
• Aggregation - Data processing pipelines

Document Example

{
  _id: ObjectId("507f1f77bcf86cd799439011"),
  name: "John Doe",
  email: "john@example.com",
  age: 30,
  address: {
    city: "New York",
    zip: "10001"
  },
  hobbies: ["reading", "coding"]
}