MongoDB
- mongoDB database structured data as documents. (similar to JSON objects)
- Documents correspond to objects in code.
- Hierarchy of the MongoDB
- DataBase
- Collection
- Document
Document Model
- mongoDB documents are displayed in JSON format but they store in BSON.
- compare to JSON BSON are supported additional data types.
Object IDs
A data type that can be used to create a unique id for the required id filed.
All the documents need to have a object id.
MongoDB support polymorphic data.