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Azure Cosmos DB powers some of the world’s most popular intelligent apps like ChatGPT. In a recent hackathon, Over 9,500 developers engaged with Azure Cosmos DB and Azure AI services, making it one of the most popular on Devpost, ranking in the top 0.2% of all Devpost hackathons.  Participants explored AI fundamentals and built their own AI appl...

We are excited to publish a new whitepaper titled, Microsoft DiskANN in Azure Cosmos DB, where we examine the impressive capabilities of Microsoft DiskANN, a state-of-the-art indexing system designed for accurate and cost-efficient vector search at any scale. We start off with a review of key vector search and database concepts, then follow by d...

We’re excited to announce that the DiskANN vector index is now in open public preview in Azure Cosmos DB for NoSQL! This means that anyone who enrolls an Azure Cosmos DB for NoSQL resource in the Vector Search Public Preview now automatically gets access to the most powerful and scalable vector index on the planet. What is DiskANN? ...

Vector Search with Azure Cosmos DB Azure Cosmos DB NoSQL features advanced vector indexing and search capabilities powered by DiskANN, a suite of highly scalable, accurate, and cost-effective approximate nearest neighbor (ANN) algorithms for low-latency vector search at any scale. Azure Cosmos DB features key capabilities important for building...

We’re excited to partner with Hasura to launch a new Hasura native data connector that generates instant GraphQL APIs on Azure Cosmos DB for NoSQL.  Hasura DDN makes data access easy by enabling backend teams to effortlessly deliver a unified API on all your data. With unparalleled on-demand composability, performance, security, and reliability ...

Encryption options for data at rest on Azure Cosmos DB that is available today. Azure Cosmos DB strives to provide the best-in-class security features. Encryption of data at rest is one such important security feature. Encryption of data at rest using Microsoft's service-managed keys is enabled by default. In addition to this default encrypti...

Welcome to Part 9 of our Azure Cosmos DB Design Patterns series, focusing on Schema Versioning. This edition is particularly useful for those new to NoSQL databases or looking to understand Azure Cosmos DB's unique capabilities. Here, we will explore how schema versioning can help manage and evolve your database schema efficiently, drawing on real-...

Commit to a reservation for Azure Cosmos DB resources using Azure Cosmos DB reserved capacity to save money.  Starting with our new 100 RU/s option, any customer can now reduce costs using Azure Cosmos DB request units (RU/s). You can buy any quantity of the 100 RU/s reservation, at any time.  There is no limit to the number of reservations, and th...

This blog is co-authored by Rodrigo Souza. We are excited to announce that mirroring Azure Cosmos DB databases in Microsoft Fabric is now available to all customers. You can seamlessly bring your databases into Microsoft OneLake, enabling no-ETL, near real-time insights on your data. Many organizations want to transform their businesses by react...

The authors wish to thank Govind Kanshi (Principal PM Manager), Abinav Rameesh (Principal PM Manager), Kushagra Thapar (Principal Engineering Manager), Annie Liang (Sr. Software Engineer) and Faiz Chachiya (Sr. Cloud Solution Architect, CSU) for their valuable insights, and contributions during the Proof-of-Concept (PoC). Introduction  Azure Cosm...