Fully managed NoSQL and relational database for modern app development with unlimited and instant scalability. Get news and updates from the team and community.
Azure Cosmos DB Conf 2026 is for developers.
Hear from Corporate Vice President for Azure Databases at @Microsoft ,@ShireeshThota on what you can expect at Azure Cosmos DB Conf 2026—from global scale to agentic AI and real-world architectures.
April 28 9AM PT - Streaming Live on YouTube
Register free for updates: aka.ms/cosmosconfreg#AzureCosmosDB#AzureCosmosDBConf#AzureDocumentDB
You may have seen that we have announced a Free-Tier for Azure Cosmos DB.
Due to a technical glitch, this announcement went out early. Free Tier will officially be announced and available on Friday March 6.
Stay tuned. We hope you like it.
Today we are happy to announce the availability of our new Free Tier! Create a new account to get 400 RU/s throughput and 5 GBs storage free each month.
Read our blog post to learn more about our new Free Tier.
devblogs.microsoft.com/cosmo…#CosmosDB#Azure
Announcing: Case-insensitive queries in Azure Cosmo DB for Core (SQL) API.
We've released updates to our string functions that now enable you to do case-insensitive searches on strings in queries. We've also drastically made them more performant too.
devblogs.microsoft.com/cosmo…
Announcing: New Azure Cosmos DB .NET SDK Version 3.0 now in public preview. New programming model, performance improvements, targets .NET Standard and open source!
Lots more too. Read more aka.ms/cosmosDotnetSDKBlog#Azure#CosmosDB#Database
The 8th of many Technical Blogs on Azure Cosmos DB database internals - TLA+ specification of the bounded staleness and strong consistency guarantees - another great blog by @muratdemirbis goo.gl/HJYB91#CosmosDB#NoSQL#BigData#Consistency#TLA#CAP
In the past year, we've done a ton of work to improve query performance in Azure Cosmos DB.
Check out this blog post where we show the performance improvements for the same queries from this time last year to today.
devblogs.microsoft.com/cosmo…#CosmosDB#MindBlown
🚀 Join us for #AzureCosmosDBConf 2023! Watch this short video and hear from the #AzureCosmosDB team some of their favorite things about Azure Cosmos DB!
March 28th, 2023 8AM PT - 11AM PT
Register now, free! 👉 aka.ms/AzureCosmosDBConf
Introducing Bulk support in the Azure Cosmos DB .NET SDK:
Learn more about what you can do with bulk support in Azure Cosmos DB and how to use it.
devblogs.microsoft.com/cosmo…#Azure#CosmosDB
🙌 Serverless is now available in preview for the Core (SQL) API. This consumption-based model is great for:
✔️ Small(-ish) applications
✔️Occasional traffic spikes
✔️ Dev/test
devblogs.microsoft.com/cosmo…#NoSQL#AppDev#serverless
Mark you calendars, April 27, 2019 for Global Azure Bootcamp. Full day hands on with the latest Azure services including #Azure#CosmosDB#Database! 100 locations now and 300 expected. Signup today or bookmark to see future cities added.
Visit global.azurebootcamp.net/loc…
❗❗❗ Did you see we doubled the size of logical partition keys to 20 GB? You now have more choice and flexibility in choosing keys. docs.microsoft.com/en-us/azu…#AppDev#NoSQL
What runs ChatGPT? Inside Microsoft's AI supercomputer
Get an inside look at the AI supercomputer infrastructure built to run ChatGPT and other large language models, and see how to leverage it for your workloads in Azure, at any scale.
piped.video/Rk3nTUfRZmo?si=9nFc…
Have you ever struggled to choose a partition key for your #AzureCosmosDB apps? Or realized too late your partition key didn't scale?
We're working on a new Partition Key Advisor to help. If you'd like to participate in our user study sign up at aka.ms/partition-key-advisor…
Thanks
New blog post: Manage Azure Cosmos DB with PowerShell
We got a TON of new Cosmos DB cmdlets that make using PowerShell to managing Cosmos DB resources super smooth! Supports all our database APIs.
devblogs.microsoft.com/cosmo…
⚙️ How to model and partition data on #AzureCosmosDB using a real-world example #nosql
This article builds on several concepts like data modeling, partitioning, and provisioned throughput to demonstrate how to tackle a real-world data design exercise.
🔗 docs.microsoft.com/azure/cos…
New blog post: How to change your partition key in Azure Cosmos DB. by @TheoKraay
Have you ever wanted something to make it easier to change your partition key? Well maybe this will help.
devblogs.microsoft.com/cosmo…
Highly available multi-region web application
Explore Microsoft Azure's multi-region architecture for App Service Web Apps. Learn how to build resilient and highly available web applications.
learn.microsoft.com/azure/ar…
If you didn't know, Azure Cosmos DB database provides encryption at-rest AND in-transit for everyone, by default. Learn more about it here.
docs.microsoft.com/en-us/azu…#Azure#CosmosDB
This article outlines an Azure Well-Architected Framework-aligned architecture for a consumer health portal. Customize it to suit your specific requirements and leverage the framework's pillars for optimal design.
learn.microsoft.com/azure/ar…
📣 Partial document updates are here! This feature is among our most-requested and was announced in general availability today at #MSIgnite.
Read on for details: devblogs.microsoft.com/cosmo…