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...
MongoDB client mongo Data export tool mongoexport Data import tool mongoimport Make the packages executable. Run thechmod +x mongocommand to grant a client permission to connect to an instance. Run thechmod +x mongoexportcommand to grant a client permission to export data. ...
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...
Create- used to insert new documents in the MongoDB database. Read- used to query a document in the database. Update- used to modify existing documents in the database. Delete- removes documents in the database. Aggregate Operation in MongoDB ...
db.characters.insertOne({ name:'Arya Stark'}) You can see the characters we’ve added by using thefindcommand. (db.<collectionName>.find()). db.characters.find() This is all you need to know about the Mongo Shell for now. Accessing MongoDB with MongoDB Compass ...
Why would you want to read files in the Mongo shell? Well, it’s a good way to provide input data, whether it’s commands or raw text which needs to be massaged into a JSON document so it can be inserted into a collection. In the older mongo shell, there was a command called “...
Learn how to efficiently delete multiple documents in MongoDB using the deleteMany method. This guide provides examples and best practices.
/^pattern/: This is the regular expression pattern.^denotes the start of a string, andpatternis the substring you want to match. Let’s consider a scenario where we have a collection nameduserswith documents containing names. db.users.insertMany([{name:"John Doe"},{name:"Jane Smith"},{...
If there’s a problem creating the new document, theinsertOne()operation returns an error. And if the collection you’re trying to add a document to doesn’t exist,MongoDBwill create the collection and add the document to it. You should notice that there’s no ID assigned to the documen...