MongoDB – Delete Document:
In MongoDB, deleting a document can be done through below provided methods.
Syntax:
db.collection.deleteOne() --> New in version 3.2.
This command will delete a single document even though the filter or condition have multiple document that may match to update.
db.collection.deleteMany() --> New in version 3.2.
This command will delete all documents that match the condition.
db.collection.remove()
This command can delete either a single document or multiple documents that match the condition.
Example:
db.students.remove( { "firstname": "Manju" } )