Mongo DB Data types

Boolean
Null: unknown
Strings
- contained within single or double quotes
Numbers (integers or floating)
- Int32
- Int64
- Double
- Decimal128
Objects
Arrays
- any data type element.
Dates
- represented as a timestamp
- efficient for querying and sorting
ObjectId
- “_id”
- Unique identifier
- every document should have this field
- It’s a combination of Timestamp, random value and counter, so that it can have unique value