While this tutorial will use MongoDB Atlas, you're going to need to be using version 4.2 or newer for MongoDB Atlas or MongoDB Enterprise Edition. You will not be able to use automatic field level encryption with MongoDB Community Edition. The assumption is that you're famil...
If you've used MongoDB Compass before, then the form should be familiar. You can enter your connection details in the form, or use a connection string. I went with the latter as my database is hosted on MongoDB Atlas. To obtain your connection string, navigate to your "Clusters" page...
Open the mongo shell with mongo, and enter the command use intro. This switches to the intro database that was automatically created. Now enter the db.quotes.find() command, and you’ll see that the record was inserted. Notice that MongoDB automatically generated a unique ID on the "_id...
To integrate MongoDB into your project, you will use theObject Document Mapper(ODM)Mongooseto create schemas and models for your application data. This will allow you to organize your application code following themodel-view-controller(MVC)architectural pattern, which lets you separate the logic of...
MongoClient.connect(url, function(err, client) { console.log("Connected to MongoDB"); const db = client.db(dbName); client.close(); }); The databaseUrl variable can contain the server host with the port and name of the database we want to connect to. In our case we use the defau...
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 ...
Let's look at how to use the GROUP BY clause with the SUM function in SQL. Instead of writing the MongoDB query which is represented as a JSON-like structure 1 2 3 4 5 6 7 8 db.employees.aggregate([ { $group: { _id:"$department", ...
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Let’s insert data into our local MongoDB database Now, inserting data into a MongoDB database is somewhat simpler, especially if you have been coding in Javascript. How do we insert a record into it. To do so, run the following commands, mongo use db test //use test database db.sa...
Accessing MongoDB with MongoDB Compass MongoDB Compass gives you another way to access MongoDB. It’s an app that makes checking (and editing) databases easier if you’re not a fan of the command line. To use MongoDB Compass, you have to install it first. You can download and install...