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...
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...
Starting in MongoDB 4.0.2, dropping a collection deletes its associated zone/tag ranges. If you try to drop a collection in the admin database or the config database from amongossince MongoDB 5.0, the drop command and thedb.collection.drop()function will produce an error. Instead, connect...
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...
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'})...
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How to delete multiple documents in MongoDB using deleteMany() - Let us first create a collection with documents −> db.deleteMultipleDocumentsDemo.insertOne({StudentFirstName:Larry}); { acknowledged : true, insertedId : ObjectId(5ce00b07bf311599
The name of the installation package is mongodb-linux-x86_64-rhel80-5.0.28.tgz. Upload the installation package to the ECS. Click Copy link to obtain the download address. Log in to the ECS and run the wget copylink command. NOTE: Replace copylink with the actual download address. ...
Core Concepts Around MongoDB I’ve been saying document databases over and over up to this point, but what actually are they? Here are the main concepts: Documents: data is stored in objects called documents. In simple terms, documents are similar to JSON key-value objects. A single documen...
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...