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If you're new to Azure Cosmos DB and looking to build applications with Python, you're in the right place. I’ve created a four-part video series designed to take you from the basics to practical, real-world querying techniques—no prior experience required. Whether you’re setting up your first database, learning how to model your data, or optimizing...

Introduction Azure Cosmos DB now includes Sharded DiskANN, a powerful capability that optimized for large-scale multitenant apps by splitting a DiskANN index into smaller, more performant pieces. When you specify a VectorIndexShardKey in your container’s indexing policy, Azure Cosmos DB creates multiple DiskANN indexes, one for each unique value o...

Introduction In the first part of our series on Azure Cosmos DB Vector Search with DiskANN, we explored the fundamentals of vector indexing and search capabilities using Azure Cosmos DB for NoSQL and demonstrated a few early performance and cost characteristics. In Part 2, we’ll demonstrate how to scale to 1 billion vector datasets, while maintain...

You asked—we delivered! Users can now manually select the region Data Explorer sends requests to! When you use Entra Authentication with NoSQL accounts, you can now enable the Region Selection option in settings. This new capability gives you precise control over where your requests are sent, helping you test, troubleshoot, and optimize performance...

Azure Cosmos DB’s change feed provides a view of changes to data in your container. This enables patterns like event sourcing, auditing and synchronizing downstream systems. Change feed can be read in real time or on demand, giving you the most flexibility for processing and reprocessing changes. Change feed is available in two modes, latest ver...

We are excited to introduce Power BI integration for vCore-based Azure Cosmos DB for MongoDB. This certified solution brings your operational data to life through real-time dashboards, directly in the Power BI interface that your analytics teams already love.  You can now connect Power BI Desktop directly to your vCore-based Azure Cosmos DB for ...

Azure Cosmos DB already delivers 99.999% availability with multi-region write capability and continuous backup for point-in-time restores within a 7 or 30 day retention period. Now, we’re making it even better! Going forward - There are no special charges - the existing point in time charges for backup, restore and multi...

This article follows announcement on a previous article that mentioned the end of support for Transport Security Layer (TLS) 1.0/1.1. TLS 1.3 is the latest version of the internet’s most deployed security protocol, which encrypts data to provide a secure communication channel between two endpoints. Microsoft has implemented updates to enable TLS...

We’re thrilled to announce that Autoscale is now generally available (GA) for vCore-based Azure Cosmos DB for MongoDB! Say goodbye to manual scaling and overprovisioning—Autoscale dynamically adjusts your database capacity in real time, ensuring peak performance exactly when you need it. Unlike traditional managed MongoDB solut...

vCore based Azure Cosmos DB for MongoDB is expanding its offerings with the new cost-effective M10 and M20 tiers for vCore-based deployments. These tiers lower the entry barrier for organizations adopting MongoDB within the Azure ecosystem, offering market-leading affordability while maintaining Azure's enterprise-grade reliability and features...