Azure Cosmos DB Blog

Introducing a new system function and optimized query operators

June 21, 2022 Jun 21, 2022 06/21/22

Justine Cocchi

The query engine in Azure Cosmos DB Core (SQL) API now has a new system function and optimizations for a set of query operations to better use the index. In this post we’ll cover the new DateTimeBin function as well as improvements to GROUP BY, DISTINCT, OFFSET LIMIT, and JOIN. These example scenarios are for Contoso, a fictional online ...

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...

Now in private preview: Cluster Key Index support for Azure Cosmos DB Cassandra API

June 9, 2022 Jun 9, 2022 06/9/22

Iria Osara

Join the private preview for cluster key index in Azure Cosmos DB Cassandra API. To enable on your account contact the Azure Cosmos DB Cassandra API team at previewcassandraapi@microsoft.com Benefits of indexes on clustering keys  Cluster Key Index use cases  We will be creating a table, inserting sample data and running ...

Simplified Write and Read Paths in the Azure Cosmos DB Cassandra API

June 7, 2022 Jun 7, 2022 06/7/22

Abinav Rameesh

Azure Cosmos DB is a fully managed service which can be used as a backing data store for applications using Apache Cassandra, using the API for Cassandra. Built on top of Azure Cosmos DB, the Cassandra API provides scale, performance and availability guarantees while eliminating the operational overhead needed to manage Cassandra data. In ...

Announced at Microsoft Build: New features for scalable, cost-effective application development

May 24, 2022 May 24, 2022 05/24/22

Nikisha Reyes-Grange

Microsoft Build starts today and features exciting announcements about Azure Cosmos DB, along with demonstrations of new features and interactive sessions with members of our product team. We hope you’re able to join us live or on-demand. New features for developers to build and deploy scalable applications Azure Cosmos DB has been the ...

Watch Now! Azure Cosmos DB Essentials Season 3

May 20, 2022 May 20, 2022 05/20/22

Ricky Diep

Season 3 is finally here! Explore and dive into the diverse types of architectures our customers use to build lightweight IoT & real-time telemetry applications by leveraging Azure Cosmos DB. Mustafa Branch and Mark Brown walkthrough use case diagrams, explain how data flows throughout the cloud application architecture, and explore ...

Azure Cosmos DB Live TV Episode 43 – Data Modeling for the Relational Mind

May 18, 2022 May 18, 2022 05/18/22

Jay Gordon, Mark Brown

Azure Cosmos DB Live TV returns with episode 43, where Principal Program Manager, Mark Brown and Microsoft MVP Sarah Dutkiewicz showcase how the relational mind can into the nonrelational side by looking at the differences in data modeling. They will walk through a common scenario and how relational modeling differs from modeling for document ...

Join Us! Azure Cosmos DB at Microsoft Build 2022

May 13, 2022 May 13, 2022 05/13/22

Ricky Diep

Find out what's new in the world of Azure Cosmos DB directly from our team at Microsoft Build 2022. We will be introducing new features that enable developers to build scalable, cost-effective cloud-native applications with ease. Join senior leadership, program managers, and engineers for live sessions, roundtable discussions, and much ...

Azure Cosmos DB Cassandra API: A true differentiator with Autoscale

April 26, 2022 Apr 26, 2022 04/26/22

Dileep Rao

 Overview We know that Apache Cassandra, a wide-column NoSQL database, is a great option to solve the 3 V’s (Volume, Variety and Velocity) of data requirements. It is a given that data will grow as the business expands. Invariably you will need to expand the cluster to accommodate additional data and handle greater throughput. This load ...

Larger document sizes, unique index improvements, $expr support in Azure Cosmos DB API for MongoDB

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

Shweta Nayak

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