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.
Category: DBMS
Database Management Systems
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.
Continue readingMongoDB 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.
MongoDB update()
In MongoDB the db.collection.update() method modifies an existing document or documents in a collection.
By default, it only updates a single document. But if multi: true is specified, then it updates all documents that match the query criteria.
MongoDB updateOne()
In MongoDB the db.collection.updateOne() method updates a single document within the collection based on the filter.
MongoDB insert()
In MongoDB the db.collection.insert() method inserts a document or documents into a collection.
The collection part is the name of the collection to insert the document/s into.