Azure Cosmos DB Blog

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

Using Spark 3 connector for Azure Cosmos DB Core (SQL) API with Azure Databricks

May 18, 2021 May 18, 2021 05/18/21

Iranga Subasinghe

In this blog post, we show how to use the Spark 3 OLTP connector for Cosmos DB Core (SQL) API with Azure Databricks workspace and explains how the Catalog API is being used. Also, explores the differences between the partitioning strategies when reading the data from Cosmos DB.

Improve your Azure Cosmos DB .NET SDK initialization

April 23, 2021 Apr 23, 2021 04/23/21

Matias Quaranta

In this post, learn about the ways you can initialize your Azure Cosmos DB .NET SDK client to avoid latency spikes in your first operations.

Seamlessly transfer Kafka data with the new Azure Cosmos DB connector

March 18, 2021 Mar 18, 2021 03/18/21

Nikisha Reyes-Grange

Enable smooth data transfers between Apache Kafka and Azure Cosmos DB. New self-managed source and sink Azure Cosmos DB connectors for Kafka Connect are available now and can be downloaded from Confluent Hub or on GitHub.

Share your notebooks with Azure Cosmos DB public notebooks gallery

March 4, 2021 Mar 4, 2021 03/4/21

Deborah Chen

We’re excited to announce two updates to our Azure Cosmos DB notebooks preview. Notebooks are now available in 29 regions, and with the new public gallery, publish and share your notebooks with the broader Azure Cosmos DB community

Announced at Ignite: new Cassandra and MongoDB capabilities, real-time analytics, enhanced security, and more

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

Nikisha Reyes-Grange

New features and capabilities for Azure Cosmos DB were announced today at Microsoft Ignite. Read on for highlights and the schedule of events.

Continuous backup with point in time restore now in preview

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

Govind Kanshi

Azure Cosmos DB now offers continuous backup with point-in-time restore capabilities. This feature can help to recover your database from accidental delete of accounts, containers or mutation of data. The restore can be accomplished through a wide area of tools available on the platform.

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.

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.

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.

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