Azure Cosmos DB Blog

Azure Cosmos DB API for MongoDB v4.0 Is Here – Three Reasons to Upgrade Now

March 2, 2021 Mar 2, 2021 03/2/21

Gahl Levy

Announced at Microsoft Ignite, Azure Cosmos DB API for Mongo DB v4.0 is now generally available! Discover exciting new features like multi-document transactions, explore upgrade options, and learn about the top three reasons you should upgrade now.

Role-based access control with Azure AD now in preview

March 2, 2021 Mar 2, 2021 03/2/21

Thomas Weiss

Role-based access controls are now in public preview for Azure Cosmos DB Core (SQL) API. They offer fine-grained control over permissions and add a new layer of security to your databases.

Now in preview: Azure Managed Instance for Apache Cassandra

March 2, 2021 Mar 2, 2021 03/2/21

Theo van Kraay

Today at Microsoft Ignite, we announced Azure Managed Instance for Apache Cassandra in public preview. Azure Managed Instance for Apache Cassandra provides the ability to provision managed native Apache Cassandra clusters, with automated deployment and scaling operations, accelerating hybrid scenarios and reducing ongoing maintenance. (...

Announcing: Azure Cosmos DB Conf, a free online developer event

February 19, 2021 Feb 19, 2021 02/19/21

Mark Brown

We are really excited to announce Azure Cosmos DB Conf, April 20-21, 2021. This is our very first virtual conference dedicated to Azure Cosmos DB, Microsoft's fast NoSQL database with open APIs for any scale. This free event is being organized in collaboration with the Azure Cosmos DB community, and sessions will be delivered by community ...

New ways to use composite indexes in Azure Cosmos DB

February 16, 2021 Feb 16, 2021 02/16/21

Tim Sander

You can now use composite indexes in Azure Cosmos DB to optimize additional cases of the most common inefficient queries! Anytime you have a slow or high RU query, you should first consider whether the query can be optimized with a composite index.

Four Ways to Try Azure Cosmos DB FREE

January 25, 2021 Jan 25, 2021 01/25/21

Nikisha Reyes-Grange

There are a variety of ways to try Azure Cosmos DB for free, in both production and non-production environments. Explore the options and find the one that best suits your needs.

Introducing the LIKE keyword in Azure Cosmos DB

January 21, 2021 Jan 21, 2021 01/21/21

Tim Sander

You can now use the LIKE keyword to do text searches in Azure Cosmos DB SQL (core) API! By including the LIKE keyword in a WHERE clause, you can search for specific string patterns.

Understanding how to query arrays in Azure Cosmos DB

December 17, 2020 Dec 17, 2020 12/17/20

Tim Sander

This blog is the final part of a series of blogs where we’ll demystify commonly confused concepts for developers learning how to query data using Azure Cosmos DB. Today, we’ll walk through tips and tricks for querying arrays.

How Walmart, ASOS, and Chipotle power real-time ecommerce at scale with Azure Cosmos DB

December 15, 2020 Dec 15, 2020 12/15/20

Nikisha Reyes-Grange

Product recommendations, shopping carts, real-time personalization, and more are brought to life with Azure Cosmos DB. See how leading retailers ASOS.com, Walmart, and Chipotle power scalable eCommerce solutions around the world. Plus, find code samples, architecture diagrams, and other resources to build your own innovation solution.

Integrating Azure Cosmos DB Cassandra API with Apache Kafka using Kafka Connect

December 14, 2020 Dec 14, 2020 12/14/20

Abhishek Gupta

Azure Cosmos DB Cassandra API is a fully managed cloud service that is compatible with Cassandra Query Language (CQL) v3.11 API. It has no operational overhead and you can benefit from all the underlying Azure Cosmos DB capabilities such as global distribution, automatic scale out partitioning, availability and latency guarantees, encryption ...