Azure Cosmos DB Blog

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

New date and time system functions in Azure Cosmos DB

October 1, 2020 Oct 1, 2020 10/1/20

Tim Sander

Learn about new system functions for working with dates and times in Azure Cosmos DB

Optimizing bandwidth in the Azure Cosmos DB .NET SDK

September 24, 2020 Sep 24, 2020 09/24/20

Matias Quaranta

Learn how to optimize the network bandwidth usage in your application by taking advantage of EnableContentResponseOnWrite to avoid getting unneeded content as part of your operations with the Azure Cosmos DB .NET SDK

Bulk Updates with Optimistic Concurrency Control

September 15, 2020 Sep 15, 2020 09/15/20

Theo van Kraay

How to support bulk updates in Azure Cosmos DB with Optimistic concurrency control. In this sample, we use Core (SQL) API to bulk update vertices in a graph hosted in Gremlin API!

Azure Cosmos DB for the SQL Professional – Referencing Tables

August 24, 2020 Aug 24, 2020 08/24/20

James Serra

How should you handle reference tables that are common in the relational database world when working in Azure Cosmos DB? This post walks through some of the differences SQL professionals will encounter, and how developing in a Azure Cosmos DB environment compares to a relational database management service (RDBMS).

HttpClientFactory in the Azure Cosmos DB .NET SDK

August 19, 2020 Aug 19, 2020 08/19/20

Matias Quaranta

In this post, learn about HTTPClientFactory and how you can use it to pool HTTP connections with Azure Cosmos DB clients.

Data Modeling and Partitioning for Relational Workloads

June 30, 2020 Jun 30, 2020 06/30/20

Lenni Lobel

As a NoSQL database, Azure Cosmos DB requires you think about data modeling in new ways. In this post, we’ll use a familiar real-world relational data model and refactor it as a non-relational data model for Azure Cosmos DB.

New string function performance improvements and case-insensitive search

June 15, 2020 Jun 15, 2020 06/15/20

Tim Sander

Azure Cosmos DB now supports case-insensitive Contains, StartsWith, EndsWith, and StringEquals. Additionally, both Contains and EndsWith have had significant performance improvements. You can now store string data in Azure Cosmos DB without having to worry about matching the case in the query.

Azure Cosmos DB Java SDK v4 – General Availability

June 11, 2020 Jun 11, 2020 06/11/20

Andy Feldman

Announcing the Azure Cosmos DB Java SDK v4 for SQL API is now generally available. Read about all the new features and capabilities as well as how to migrate or get started with new applications today.

Using spatial geometry data in Azure Cosmos DB

May 7, 2020 May 7, 2020 05/7/20

Tim Sander

Support for two different types of spatial data has been added to Azure Cosmos DB. Using the SQL (Core) API: geography data (round-earth coordinate system), and two-dimensional geometry data.

How to change your partition key in Azure Cosmos DB

April 27, 2020 Apr 27, 2020 04/27/20

Theo van Kraay

Searching for how to change your partition key in Azure Cosmos DB? You have come to the right place! Learn how to achieve this by leveraging Change Feed and Bulk Execution features in Azure Cosmos DB to live migrate containers.

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