Mongoose provides 4 different ways to remove a document from a MongoDB collection. These methods include deleteOne(), deleteMany(), and findOneAndDelete(). deleteMany() method The deleteMany() method removes all documents that match the given conditions from the MongoDB collection. It returns an...
Alternatively, you canretrieve the documentfrom the MongoDB collection, set the value of the field you want to delete toundefinedand then save it. In Mongoose, setting a document field toundefinedwill send$unsetcommand to MongoDB: // Retrieve documentconstuser=awaitUser.findOne({name:'Alex'})...
writeConcern - A document expresses the written worry. Leave out the default writeconcern. Delete Collections in MongoDB If you want to remove the whole collection and its indexes, you may use the drop method to delete any collection from the database, including its indexes. The drop approach...
The status of a MongoDB server process can be an indication of whether we need to drill down into its activity or health. A process that is unresponsive or does not answer to our commands should be immediately investigated. Monitor with MongoDB Atlas: Cluster health and process health c...
db.collection_name.remove(<query>,{Writeconcern,justone}) Thequeryparameter is defined as the ability to delete specific articles from a collection based on criteria stated in the query.justoneargument is defined, which deletes one document from the collection. It must always be enabled by sett...
1. Tailing the MongoDB Oplog At the heart of MongoDB’s native replication system is theoplog (operation log), a capped collection that logs every write operation—insert, update, and delete—performed on your MongoDB cluster. By tailing the oplog, you can stream CDC events from the source...
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Delete a document in MongoDB The final letter in the CRUD acronym is D for delete. REST API and operations In a real world app, you would follow REST conventions and use HTTP methods (like PUT, POST, and DELETE) to map the various operations. For the sake of simplicity, this article ...
Node.js and MongoDB make for a very fast and flexible development experience. Just watch how quickly and easily we can create, read, update, and delete a document in MongoDB with Node. Credit: Thinkstock MongoDB was one of the first NoSQL data stores, and it is the most popular No...
npm install mongodb @faker-js/faker Now that you have the project setup and all the packages in, it’s time to start writing tests. Data integrity with CRUD tests For this tutorial, you will be running simple CRUD (Create-Read-Update-Delete) tests to validate the data integrity in your...