Azure Cosmos DB Blog

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

Azure Cosmos DB for NoSQL - Azure Cosmos DB Blog

Configure customer-managed keys for your existing Azure Cosmos DB accounts!

September 12, 2023 Sep 12, 2023 09/12/23
Dileep Rao
(image) Encryption options for data at rest on Azure Cosmos DB that is available today. Azure Cosmos DB strives to provide the best-in-class security features. Encryption of data at rest is one such important security feature. Encryption of data at rest using Microsoft's service-managed keys is enabled by default. In addition to this ...

Azure Cosmos DB design patterns – Part 1: Attribute array

September 7, 2023 Sep 7, 2023 09/7/23
Jay Gordon
(image) Over the years, customers have asked us for help in designing applications around specific scenarios they were trying to achieve. In some cases, these centered around implementing certain patterns using a JSON-based NoSQL database. Some of these patterns are very common in the NoSQL world, but not well understood by those new to ...

4 Design Patterns to Deal with Large Item Sizes in Azure Cosmos DB for NoSQL

September 5, 2023 Sep 5, 2023 09/5/23
Subhasish Ghosh
Introduction  A recommended best practice in Azure Cosmos DB for NoSQL is to avoid overly large item sizes. An Azure Cosmos DB item can represent either a document in a container, a row in a table, or a node or edge in a graph, depending on which API you use. Though the maximum size of an item allowed in Azure Cosmos DB for NoSQL is 2 MB, it...

Introducing Text Indexes in Azure Cosmos DB for MongoDB vCore

August 10, 2023 Aug 10, 2023 08/10/23
Sudhanshu Vishodia
In the realm of modern databases, efficient querying of text-based data is pivotal to deliver smooth user experiences and provide valuable insights from textual content. To address this need, Azure Cosmos DB for MongoDB vCore now offers text indexing. In this blog, we'll delve into the ins and outs of text indexes in Azure Cosmos DB for ...

Deep dive: New elasticity features for better cost and performance

May 23, 2023 May 23, 2023 05/23/23
authorsDeborah Chen, Richa Gaur, Tara Bhatia
Over the years, we’ve heard feedback from many you that you’d like more flexibility in how Azure Cosmos DB handles scaling and partitioning. Based on your feedback, we are excited to announce the general availability of three key features - burst capacity, hierarchical partition keys, and serverless container storage of 1 TB – to help ...

Unlocking the power of Time-Travel in Azure Synapse Link for Azure Cosmos DB

May 23, 2023 May 23, 2023 05/23/23
authorsRevin Chalil, Rodrigo Souza
Azure Synapse Link now offers time-travel capabilities for Azure Cosmos DB data supporting NoSQL and MongoDB APIs. This exciting feature, currently available in public preview through Azure Synapse Spark, enables you to access Azure Cosmos DB data in the analytical store, precisely as it appeared at specific points in time in history (down to ...

Announcing Materialized Views for Azure Cosmos DB for NoSQL (Preview)

May 23, 2023 May 23, 2023 05/23/23
Abhinav Tripathi
When designing an application using Azure Cosmos DB, users are required to select a Partition Key from among the properties stored for each item, and the value in the Partition Key is used to scale out their data. Users can avoid costly cross partition queries by correctly using the Partition Key in their queries but in many cases, it can be ...