Azure Cosmos DB Blog

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

Ignite 2020: New serverless and analytics capabilities announced

September 22, 2020 Sep 22, 2020 09/22/20

Nikisha Reyes-Grange

Today, at Microsoft Ignite 2020, we announced new ways to run serverless workloads and bring the power of Azure Synapse Analytics to operational data in Azure Cosmos DB. These capabilities offer new possibilities for NoSQL developers and data analysts to power applications at any size or scale – from dev/test to production. You can explore ...

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!

Upgrade your server version from 3.2 to 3.6 for Azure Cosmos DB API for MongoDB

September 11, 2020 Sep 11, 2020 09/11/20

Luis Bosquez

You can now upgrade your applicable MongoDB account to the latest version by using our automatic database upgrade process. The upgrade process doesn't interrupt the availability of your account and it doesn't consume RU/s or decrease the capacity of the database at any point. No existing data or indexes will be affected by this process. ...

Build fault tolerant applications with Cassandra API for Azure Cosmos DB

September 10, 2020 Sep 10, 2020 09/10/20

Abhishek Gupta

Step-by-step guidance about how to build fault tolerant applications using the Azure Cosmos DB Cassandra API with a custom retry policy for 429 errors.

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).

Azure Cosmos DB serverless now in preview

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

Thomas Weiss

Azure Cosmos DB serverless is a new consumption-based offer that requires no capacity management. It bills only for the Request Units used by database operations and provides a lower entry price for development, testing and small applications with light traffic.

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.

Change Feed – Unsung Hero of Azure Cosmos DB

July 2, 2020 Jul 2, 2020 07/2/20

Lenni Lobel

One of the most overlooked capabilities in Azure Cosmos DB is its change feed. This little gem sits quietly behind every container in your database, watches for changes, and maintains a persistent record of them in the order they occur. Discover use cases and tips for using this powerful feature.

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.