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GeezerVison is showing devblogs.microsoft.com — Cosmos DB Azure Cosmos DB BlogThe latest news, updates and technical insights from the Azure Cosmos DB team Latest posts
Nov 3, 2026
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ChatGPT runs on Azure Cosmos DB. Prove you can build what’s next.
Take the newly AI-focused DP-420 exam free at Microsoft Ignite—or take the certification exam today and save 50% through Data Days. OpenAI’s storage platform uses Azure Cosmos DB to help serve products used by more than one billion people each week. If you want to build AI applications at that kind of scale, the newly updated DP-420 certification gives you a way to validate your expertise—and registered, in-person Microsoft Ignite 2026 attendees can take the exam onsite for free. DP-420 now centers on Building AI Applications with Azure Cosmos DB, in...
Nov 2, 2026
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My Team Is Growing, How Do I Structure Who Gets Access to What?
Iria, Sudhanshu Your project started with one or two people. Now developers, operators, analysts, and applications all need access to Azure Cosmos DB. Giving everyone the same permissions might feel efficient, but it makes every identity more powerful than its job requires. As your team grows, organize access around jobs, not people. Separate management access from data access, assign roles to groups and workload identities, and use the smallest practical scope. You do not need a complicated permission model for every person. You need a small set of repeatable access patterns. Separate managing the account from using i...
Oct 28, 2026
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Agentic CI/CD with Azure Cosmos DB: Isolated Environments for a Swarm of AI Agents
Give each coding task its own disposable database environment, then merge the reviewed changes - not the test database. When parallel coding agents share a database In From Local Development to CI Workflows with the Azure Cosmos DB Emulator, we used FleetCharge to make local development and CI repeatable. Start the emulator, seed known data, run the checks, and clean up afterward. Now consider several AI coding agents working on the same application at once. One is changing dispatch behavior. Another is adding a depot rule. A third is updating tests. Each has its own branch, and perhaps its own Git worktree,...
Oct 27, 2026
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Inspecting Local Data with Azure Cosmos DB Shell
Explore local data from the terminal with Azure Cosmos DB Shell. Connect to the emulator, inspect FleetCharge documents, run queries, and point-read depot partitions.
Oct 23, 2026
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Code with Cosmos: Build a Production-Ready AI App in Four Episodes
Follow an AI application from a blank folder to a system built for production AI application development often starts with a promising prototype. A real application has to do more than produce an answer: it needs current operational data, the ability to take actions and complete transactions, memory that carries across sessions, coordination between specialized agents, and enough visibility for developers to understand and improve how the system behaves. Today, we're introducing Code with Cosmos, a new four-part Azure Cosmos DB video series that follows one app – an AI travel planner – from a blank folder...
Oct 23, 2026
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From Local Development to CI Workflows with the Azure Cosmos DB Emulator
When you change a database-backed feature, a successful HTTP response isn't enough. You need to know that the write reached storage, the application retrieved the updated record, and the next answer reflects it. The Azure Cosmos DB Emulator runs locally in Docker and lets us use the SDK we'll use in production. We'll develop against it first, then carry our tests into GitHub Actions. Each update to an open pull request must pass against a fresh emulator before we merge. Building on Theo van Kraay's local development walkthrough, we'll use FleetCharge, a Python demo built with Microsoft Agent Framework and F...
Oct 21, 2026
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Announcing GA of Safe Key Rotation in Azure Cosmos DB
In our previous post, we introduced the private preview of Safe Key Rotation, a feature that helps Azure Cosmos DB customers avoid service disruptions during key rotations. By showing when each account key was last used, it helps teams make informed decisions before rotating keys or moving to Entra ID. This capability addresses a common challenge: keys that appear unused may still support critical applications, which can lead to unexpected outages if they are rotated too soon. What is new? With general availability, we are expanding this capability to give you even more control and confidence when managi...
Oct 15, 2026
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AI Agents: Meet the Azure Cosmos DB vNext Emulator
Over a typical 2 day window, we record 10 times as many emulator sessions lasting more than 30 minutes for vNext as for the legacy emulator. Our bet is that agentic development is helping drive the difference! The appeal is straightforward: coding agents need a database they can run anywhere. They also need a database they can start, seed, test against and debug as they work. Our vNext emulator fits that workflow naturally. A different kind of developer With the vNext emulator, we're building for a broader idea of the developer: a person at a keyboard, a coding agent, or the two working together. The...
Oct 9, 2026
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Introducing the Native Confluent Cloud Connector Experience in Azure Cosmos DB!
Co-authored with Praveen Raja P Azure Cosmos DB already includes a powerful event foundation: change feed provides a durable, ordered record of item changes within each logical partition. It is ideal for reacting to operational data as it changes, building projections, and driving workflows directly from the database. Confluent Cloud adds a complementary event layer rather than replacing change feed. Kafka topics can carry database changes alongside explicit business events from many systems, retain them independently from the operational database, and let multiple consumer groups process and replay each s... |
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