To delete a collection from MongoDB, use the drop and remove method. When removing a collection, you must additionally provide the collection name. Use thedrop()Method in MongoDB To remove a collection from a database in MongoDB, use thedb.collection.drop()method. It eliminates a collection...
Since MongoDB 5.0, the drop command and the db.collection.drop() method will return an error if you attempt to drop a collection in the admin database or the config database from a mongos. Connect to the config server instead and run the command to delete these collections. Syntax: db...
Learn how to delete documents from a MongoDB collection using Mongoose methods like deleteOne, deleteMany, findOneAndDelete, and findByIdAndDelete.
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'})...
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
In this tutorial, we will use MongoDB Atlas as a vector store and retriever. But first, you will need a MongoDB Atlas account with a database cluster and get the connection string to connect to your cluster. Follow these steps to get set up: Register for a free MongoDB Atlas account....
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...
Then, from the terminal, start the MongoDB server with the following command: $ sudo service mongodb start Powered By Now, we are ready to load some data into a document database. There are two scenarios when doing so: You have data locally in appropriate formats like JSON, BSON, YAM...
Details I have a database in which the user is a parent and it has some child documents child document has image data too and those images are stored in the AWS s3 bucket. I used MongoDB middleware remove to perform cascade delete. If I ...