MongoDB is an open-source document database that provides high performance, high availability, and automatic scaling. It’s Key Features are:
- Document Oriented and NoSQL database.
- Supports Aggregation
- Uses BSON format
- Sharding (Helps in Horizontal Scalability)
- Supports Ad Hoc Queries
- Schema Less
- Capped Collection
- Indexing (Any field in MongoDB can be indexed)
- MongoDB Replica Set (Provides high availability)
- Supports Multiple Storage Engines