Global secondary indexes for Azure Cosmos DB—now in Public Preview—make it easier to query data efficiently, especially as your datasets grow.  Distributed databases like Azure Cosmos DB scale with dataset growth by partitioning data across multiple physical machines. When your queries include the partition key, the client routes them directly ...

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’re excited to announce new features for the Azure Cosmos DB integrated cache! The integrated cache is built into the dedicated gateway, and now there’s new ways to authenticate your requests. Security is top of mind for many organizations, and you can now use Role-Based Access Control (RBAC) with Microsoft Entra ID to authenticate to the dedicat...

We're excited to announce the stable release of the Azure Cosmos DB client library for Go, a native Go library that enables you to interact with Azure Cosmos DB for NoSQL accounts from your Go applications. The Azure Cosmos DB client library for Go provides an idiomatic API for you to perform operations on databases, containers, and items. Learn...

The Azure Cosmos DB change feed allows applications to seamlessly react to real time changes to data! It’s a persistent record of changes to items in your container in the order they occurred. Instead of writing complex code to query recently modified documents, manually track checkpointing, and handle retries for errors in processing, the change f...

Reduce costs and latency for read-heavy workloads with Azure Cosmos DB integrated cache, an in-memory cache that’s now generally available. In addition to increasing speed and decreasing costs, adding an integrated cache simplifies your architecture and application complexity, allowing you to focus on building your business logic. The integrated ca...

The query engine in Azure Cosmos DB Core (SQL) API now has a new system function and optimizations for a set of query operations to better use the index. In this post we’ll cover the new DateTimeBin function as well as improvements to GROUP BY, DISTINCT, OFFSET LIMIT, and JOIN. These example scenarios are for Contoso, a fictional online retailer...