Tips and Tricks Archives | Azure Cosmos DB Blog

New ways to use composite indexes in Azure Cosmos DB

Tim Sander February 16, 2021 Feb 16, 2021 02/16/21

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.

Four Ways to Try Azure Cosmos DB FREE

Nikisha Reyes-Grange January 25, 2021 Jan 25, 2021 01/25/21

There are a variety of ways to try Azure Cosmos DB for free, in both production and non-production environments. Explore the options and find the one that best suits your needs.

How Walmart, ASOS, and Chipotle power real-time ecommerce at scale with Azure Cosmos DB

Nikisha Reyes-Grange December 15, 2020 Dec 15, 2020 12/15/20

Product recommendations, shopping carts, real-time personalization, and more are brought to life with Azure Cosmos DB. See how leading retailers ASOS.com, Walmart, and Chipotle power scalable eCommerce solutions around the world. Plus, find code samples, architecture diagrams, and other resources to build your own innovation solution.

Long-term backup with Azure Synapse Link for Azure Cosmos DB

Emmanuel Deletang December 3, 2020 Dec 3, 2020 12/3/20

Retain long-term backups or query backups using Azure Synapse Link for Azure Cosmos DB, with these step-by-step instructions.

Understanding the difference between null and undefined in Azure Cosmos DB

Tim Sander November 25, 2020 Nov 25, 2020 11/25/20

This blog is part two of a series of three blogs where we’ll demystify commonly confused concepts for developers learning how to query in the SQL (core) API in Azure Cosmos DB. We’ll look at the difference between null and undefined values.