In MongoDB the db.collection.findOne() method returns one document that satisfies the specified query criteria on the collection or view.
The collection part is the name of the collection or view to search.
DBMS
Database Management Systems
MongoDB findOneAndDelete()
In MongoDB the db.collection.findOneAndDelete() method deletes a single document, and returns the deleted document.
It deletes the first matching document in the collection that matches the filter. The sort parameter can be used to influence which document is deleted.
The collection part is the name of the collection with which to delete the document from.
MongoDB deleteOne()
In MongoDB the db.collection.deleteOne() method removes a single document from a collection. In other words, it deletes it.
The collection part is the name of the collection with which to remove the document from.
MongoDB deleteMany()
In MongoDB the db.collection.deleteMany() method removes all documents that match the filter from a collection. In other words, it deletes them.
The collection part is the name of the collection with which to remove the documents from.
MongoDB remove()
In MongoDB the db.collection.remove() method removes documents from a collection. In other words, it deletes them.
The collection part is the name of the collection with which to remove the documents from.
You can delete all documents, some documents, or a single document as required.
MongoDB bulkWrite()
In MongoDB the db.collection.bulkWrite() method performs multiple write operations with controls for order of execution.
Bulk write operations affect a single collection. The collection part is the name of the collection with which to perform the operations against.
MongoDB findOneAndReplace()
In MongoDB the db.collection.findOneAndReplace() method replaces a single document based on the specified filter.
The collection part is the name of the collection with which to perform the operation against.
MongoDB findOneAndUpdate()
In MongoDB the db.collection.findOneAndUpdate() method updates a single document based on the filter and sort criteria.
The collection part is the name of the collection with which to perform the operation against.
MongoDB findAndModify()
In MongoDB the db.collection.findAndModify() method modifies and returns a single document.
The collection part is the name of the collection with which to perform the operation against.
MongoDB updateMany()
In MongoDB the db.collection.updateMany() method updates all documents that match the specified filter for a collection.