Azure Cosmos DB Blog

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

Azure Synapse Link: Announcing support for existing Azure Cosmos DB containers and seamless Power BI integration

March 30, 2022 Mar 30, 2022 03/30/22

Rodrigo Souza

Azure Synapse Link: Announcing support for existing Azure Cosmos DB containers and seamless Power BI integration.

Tips & Tricks for Query Pagination in Azure Cosmos DB

January 13, 2022 Jan 13, 2022 01/13/22

Tim Sander

In this blog, we'll take a look at tips for query pagination in Azure Cosmos DB. Pagination is the process of dividing a large volume of data across many small pages.

Reading data with Spring Data Azure Cosmos DB v3

December 15, 2021 Dec 15, 2021 12/15/21

Ravi Tella

Discover best practices to help improve the read performance of Spring applications when using the new Spring Data Azure Cosmos DB v3 for Core (SQL) API.

Optimize query performance with Azure Cosmos DB indexing metrics

November 2, 2021 Nov 2, 2021 11/2/21

Tim Sander

You can now use the Azure Cosmos DB indexing metrics, now generally available, to optimize query performance! The indexing metrics show indexes that the query engine used and index recommendations for improving query performance.

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.

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.

Managing indexing through the Azure Portal in Azure Cosmos DB’s API for MongoDB

December 7, 2020 Dec 7, 2020 12/7/20

Tim Sander

In this blog, we’ll cover how to add and remove indexes using the new indexing policy editor. We’ll also highlight the differences in best practices for indexing in Azure Cosmos DB’s API for MongoDB and native MongoDB.

Now in preview – Support for Synapse SQL serverless in Azure Synapse Link for Azure Cosmos DB

October 28, 2020 Oct 28, 2020 10/28/20

Ramnandan Krishnamurthy

Azure Synapse Link now supports querying Azure Cosmos DB data using Synapse SQL serverless. This capability, available in public preview, allows you to use familiar analytical T-SQL queries and build powerful near real-time BI dashboards on Azure Cosmos DB data.

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