MongoDB CRUD Operation Delete
Example
Deletes all documents matching the query parameter:
// New in MongoDB 3.2
db.people.deleteMany({name: 'Tom'})
// All versions
db.people.remove({name: 'Tom'})
Or just one
// New in MongoDB 3.2
db.people.deleteOne({name: 'Tom'})
// All versions
db.people.remove({name: 'Tom'}, true)
MongoDB's remove() method. If you execute this command without any argument or without empty argument it will remove all documents from the collection.
db.people.remove();
or
db.people.remove({});
