Core (SQL) API

Now in private preview: optimize your data distribution with hierarchical partition keys

August 12, 2021 Aug 12, 2021 08/12/21

Deborah Chen

Hierarchical partition keys are now available in private preview for the Azure Cosmos DB Core (SQL) API. With hierarchical partition keys, also known as sub-partitioning, you can now natively partition your container with up to three levels of partition keys. This enables more optimal partitioning strategies for multi-tenant scenarios or ...

A tour of Always Encrypted for Azure Cosmos DB

July 29, 2021 Jul 29, 2021 07/29/21

Santosh Kulkarni

Always encrypted for Azure Cosmos DB provides encryption support on the client-side to protect sensitive data by encrypting data such as credit card numbers or national identification numbers, before it gets transferred over the wire to be stored in Azure Cosmos DB. Always encrypted allows clients to protect JSON property values which are ...

Using Azure Cosmos DB as an ASP.NET session state and caching provider

July 14, 2021 Jul 14, 2021 07/14/21

Matias Quaranta

Learn how to leverage Azure Cosmos DB as ASP.NET Session State provider and distributed cache by using the existing caching extension on your applications

Getting started with Kafka Connector for Azure Cosmos DB using Docker

July 6, 2021 Jul 6, 2021 07/6/21

Abhishek Gupta

This blog post is a getting started guide for the Kafka Connector for Azure Cosmos DB.

Optimizing costs with the Azure Cosmos DB integrated cache

June 23, 2021 Jun 23, 2021 06/23/21

Tim Sander

In this blog, we’ll dive into the details of the Azure Cosmos DB integrated cache! With the integrated cache, you can add caching to an existing Azure Cosmos DB workload without modifying your application’s logic.

Announced at Build: new capabilities for data security and workload optimization

May 25, 2021 May 25, 2021 05/25/21

Aria Jelinek

Read on for Azure Cosmos DB updates at Microsoft Build 2021, including enhanced control, security, cost savings and speed.

Announced at Build: new options to build and test apps at any scale

May 25, 2021 May 25, 2021 05/25/21

Aria Jelinek

Read on Azure Cosmos DB updates at Microsoft Build 2021, including the GA of serverless, expansion of the free tier and NEW Linux emulator.

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.

Azure Cosmos DB Blog

Core (SQL) API - Azure Cosmos DB Blog