Azure Cosmos DB Blog

The latest news, updates and technical insights from the Azure Cosmos DB team

Role-based access control in Azure Cosmos DB API for MongoDB: Now in preview

July 19, 2022 Jul 19, 2022 07/19/22

Richa Gaur

Role based access control (RBAC) is a much-needed capability in any database for enterprises. It lets you simplify your access control mechanism without added management. We have introduced RBAC in Azure Cosmos DB API for MongoDB, which allows you to: How does it work? API for MongoDB RBAC is built on concepts that are commonly ...

Azure Cosmos DB at Microsoft Build 2022 Review – Episode 45

June 13, 2022 Jun 13, 2022 06/13/22

Jay Gordon, Mark Brown

Welcome back! We hope you enjoyed all the content and updates from the 2022 edition of Microsoft Build. Developers were able to watch and virtually attend over 500 different live sessions covering topics ranging from Java, Kubernetes, and Azure Cosmos DB, and more! Check out the video below for the full recap on the new and exciting features...

Larger document sizes and $expr support in Azure Cosmos DB API for MongoDB

April 20, 2022 Apr 20, 2022 04/20/22

Shweta Nayak, Sajeetharan Sinnathurai

We are excited to announce these recent updates in Azure Cosmos DB API for MongoDB that enable larger document sizes and expressions in your queries. 16MB document support (General Availability) To keep database operations as efficient as possible, it is best practice to keep documents to a small size. This applies to Azure ...

Azure Cosmos DB API for MongoDB v4.2 Is Here – Three Reasons to Upgrade Now

February 28, 2022 Feb 28, 2022 02/28/22

Gahl Levy

We are excited to announce the general availability of Azure Cosmos DB API for MongoDB version 4.2! New aggregation functionality and improved security features, all built on the most scalable database platform make this the best release yet. For a full list of supported features, please read the documentation.

Build a Node.js app with Azure Cosmos DB’s API for MongoDB

January 6, 2022 Jan 6, 2022 01/6/22

Shweta Nayak

Build a Node.JS application with Azure Cosmos DB using the API for MongoDB, React, and Express. A new five-part developer video series demonstrates key steps and best practices to help you get started.

Use Indexes for blazing-fast queries on your API for MongoDB Data

October 6, 2021 Oct 6, 2021 10/6/21

Gahl Levy

What’s better than faster queries – how about an order of magnitude faster queries? That’s what indexes do in the API for MongoDB. Let’s dive into the three things that are most important for MongoDB developers to know about indexing when building their applications on the API for MongoDB.

Planning Azure Cosmos DB capacity using vCores, vCPUs, and request rates

September 28, 2021 Sep 28, 2021 09/28/21

Andy Feldman

How to use the information you know about your database clusters to estimate the provisioned throughput request units you'll need when migrating NoSQL data to Azure Cosmos DB and avoid over-provisioning or overpaying

Azure Cosmos DB API for MongoDB in the cloud – now easier than ever

May 27, 2021 May 27, 2021 05/27/21

Gahl Levy

On the Azure Cosmos DB API for MongoDB team, we’ve worked hard to make many improvements in the Azure portal to make the API for MongoDB easy and obvious to use for MongoDB developers.

Announced at Build: new options to build and test apps at any scale

May 25, 2021 May 25, 2021 05/25/21

Aria Jelinek

Read on Azure Cosmos DB updates at Microsoft Build 2021, including the GA of serverless, expansion of the free tier and NEW Linux emulator.

MongoDB 3.6 lives on in Azure Cosmos DB

March 18, 2021 Mar 18, 2021 03/18/21

Gahl Levy

Worried about the upcoming MongoDB 3.6 retirement? Don't - Azure Cosmos DB continues to 3.6 and 3.2 support in the API for MongoDB 3.6 and 3.2 for all use cases.

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