MongoDB stores data in a Database → Collection → Document structure.
Database → Like a container for collections (similar to a database in SQL).
Collection → Like a table in SQL, it contains multiple documents.
Document → A JSON-like object that stores actual data.
Create a Database
use database_name
If myDatabase doesn’t exist, it will create a new database.
For checking the current database:
db
To show all databases:
show dbs
Create a Collection
db.createCollection("collection_name") // syntax
db.createCollection("students")This will create an empty collection named students.
To view collections in the current DB:
show collections
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