Fully managed NoSQL and relational database for modern app development with unlimited and instant scalability. Get news and updates from the team and community.

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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
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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.
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Based on popular ask, we've put all the *Cosmic Notes* in one location - learn more about #CosmosDB, one Cosmic Note at a time. Check them all out here: azurecosmosdb.github.io/Cosm… #Azure #CosmosDB #database #NoSQL #SQL #BigData #Analytics #Spark #MongoDB #Cassandra #Gremlin #AI
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🆕 Distributed #PostgreSQL comes to #AzureCosmosDB Today, we’re excited to announce Azure Cosmos DB for PostgreSQL, a new Generally Available service to build cloud-native relational applications. Read more: devblogs.microsoft.com/cosmo… #MSIgnite
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ENGINEERS WANTED! joincosmosdb.com/ JOIN OUR COSMIC MISSION! #Azure #CosmosDB Please retweet.
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📣 It's here! Serverless is now available in preview for the Core (SQL) API. @th0maswe1ss has all the details: devblogs.microsoft.com/cosmo… #appdev #NoSQL #serverless
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It's here! Free Tier for #azurecosmosdb can now be activated on new accounts. 🙌 @ChenDeborah shares the details: devblogs.microsoft.com/cosmo… #appdev #NoSQL
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We are ready for #MSBuild! Boxes of #Azure #CosmosDB stickers have arrived.
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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…
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Replying to @RustyF
Free forever.
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It's our birthday!!! 🎂🎉 This week marks 5️⃣ years since Azure Cosmos DB was launched. Thanks for your support over the last five years.
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Lambda architecture: Re-architected with #Azure #CosmosDB database - how you can do it with just #CosmosDB and build a #bigdata architecture w/ fewer components and far more cost-effective docs.microsoft.com/en-us/azu… #Azure #CosmosDB #database #NoSQL #SQL #BigData #Lambda #Spark
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What is #Partitioning in #Azure #CosmosDB database? Partitioning in Azure Cosmos DB: docs.microsoft.com/en-us/azu… Partitioning and horizontal scaling in Azure Cosmos DB: docs.microsoft.com/en-us/azu… Create a synthetic partition key: docs.microsoft.com/en-us/azu…
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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
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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
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Don't miss #Azure #CosmosDB sessions @ #MSBuild. It's going to be Cosmic! Please retweet. #MSBuild2018
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Technical blog on the foundations of #Azure #CosmosDB including our #TLA+ specs goo.gl/F7izwC
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Dear Cassandra Developers, welcome to Azure #CosmosDB! azure.microsoft.com/en-us/bl…
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Build a #serverless web app in Azure (w/ Azure Functions, Azure Cosmos DB, Storage) goo.gl/bAbdxX #Azure #CosmosDB #NoSQL #BigData
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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
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Build something cool! #Azure #IoT Hands on Labs including #CosmosDB - Labs using Azure Services to build Azure IoT End to End Solutions connecting real & simulated devices to Azure IoT Hub and Azure Cosmos DB. goo.gl/k8LQj6 #Azure #CosmosDB #IoT #NoSQL #BigData
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🚀 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
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Simplify the deployment and management of Microservices based applications - Use AKS and Azure #CosmosDB database to simplify the deployment and management of microservices-based architecture. docs.microsoft.com/en-us/azu… | #Azure #CosmosDB #NoSQL #BigData #Kubernetes #AKS
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Azure #CosmosDB Consistency - Learn how to set consistency on your Azure #CosmosDB data to optimize the tradeoffs between consistency, availability, and performance. azure.microsoft.com/en-us/re… #NoSQL #BigData #DistributedSystems #CAPTheorem
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Try out new Azure #CosmosDB Explorer, full screen experience for your queries and results azure.microsoft.com/en-us/bl…
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#Azure #CosmosDB Change Feed Lab (w/ code) - In this lab, you'll focus on how a company can use the change feed & understand user patterns with real-time data analysis visualization.  goo.gl/RtbA5d #Azure #CosmosDB #NoSQL #Github #BigData #RealTime #ChangeFeed
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Overview of Azure Services (including Azure Cosmos DB) by Marco Bellinaso lnkd.in/gCgDwXc #Azure #CosmosDB #BigData #NoSQL #Cloud #CloudComputing
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🗓️ Save the Date: Azure Cosmos DB: Liftoff 🚀 October 18, 9:00am PT Join us to find out all the big news on #AzureCosmosDB from #MSIgnite aka.ms/AzureCosmosDBLiftoff
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Built-in Jupyter notebooks in Azure Cosmos DB are now available. Go check out what you can now do on Cosmos! azure.microsoft.com/en-us/bl… #cosmosdb #jupyter #azure
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Now you can quickly write #queries for your data using these cheat sheets for Azure Cosmos DB! Download them now here: goo.gl/yxAJti #NoSQL #BigData #MongoDB #SQL #Cassandra #Gremlin #Azure
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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…
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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…
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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
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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…
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Architecting Cloud-Optimized Apps with #AKS (Azure’s Managed #Kubernetes), Azure Service Bus, and #Azure #CosmosDB goo.gl/4qwrXE #NoSQL #BigData
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⚙️ 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…
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Real-time #Analytics with #Azure #CosmosDB database and #ApacheSpark. Change Feed + #Spark Structured Streaming HOW TO IMPLEMENT THIS PATTERN [start at 00:25:26 min]-piped.video/watch?v=xj_PBvtG… | #Azure #CosmosDB #database #NoSQL #SQL #BigData #Analytics #Spark #Databricks #RealTime
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We are happy to announce Azure #CosmosDB in Azure Storage Explorer – public preview azure.microsoft.com/en-us/bl…
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#AzureCosmosDB for #PostgreSQL vs. Azure Database for PostgreSQL: When to choose which devblogs.microsoft.com/cosmo…
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We are pleased to announce that #Spring Data #Azure #CosmosDB is now available to provide essential Spring Data support for Azure Cosmos DB using #SQL API. Please read here: goo.gl/GRsP7q #Azure #CosmosDB #BigData #NoSQL #Spring
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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…
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🤔 What are your favorite #AzureCosmosDB features? Check out what the experts think in this video. Level up at #AzureCosmosDBConf! 👉 Register at aka.ms/AzureCosmosDBConf
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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…
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How to build stuff with #CosmosDB database - a mobile app for real-time payments (FinServ) Learn how one of our customers did it here: customers.microsoft.com/en-h… #Azure #CosmosDB #database #NoSQL #SQL #BigData #Analytics #Serverless #AI #Streaming #Mobile #DevOps #AppDev #Apps
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[Github] Voting Service - Create a serverless service using Node.js and the new Azure Functions Cross Platform Runtime with Azure Cosmos DB github.com/Azure-Samples/azu… #CosmosDB #serverless #Nodejs #AzureFunctions
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Architecting Cloud-Optimized Apps with #AKS (Azure’s Managed #Kubernetes), Azure Service Bus, and #Azure #CosmosDB goo.gl/4qwrXE #NoSQL #BigData
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See it in action and understand Azure Cosmos DB consistency models through animation (see animated GIF below). You can use Try Cosmos DB For Free to play with it - azure.microsoft.com/en-us/tr… #Azure #CosmosDB #NoSQL #BigData #Consistency #CAP
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Use the Cosmos Emulator for local development and testing - Azure #CosmosDB database | #Azure #CosmosDB #database #NoSQL #SQL #Emulator #DevTest #DevOps #Apps #AppDev #MongoDB #Cassandra #Gremlin #Free
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