Azure Cosmos DB Blog

The latest news, updates and technical insights from the Azure Cosmos DB team

Now in preview – Support for custom partitioning in Azure Synapse Link for Azure Cosmos DB

Support for custom partitioning in Azure Synapse Link for Azure Cosmos DB was announced in preview at Microsoft Ignite. This capability improves query performance by enabling you to partition Azure Cosmos DB analytical store data using keys that are frequently used as query filters.

Now Generally Available – Partial Document Update in Azure Cosmos DB

Check out the new partial document update feature for Azure Cosmos DB Core (SQL) API, announced at Microsoft Ignite. This feature makes it possible to use the Java, .NET, and Node.js SDKs to perform path-level updates to specific fields/properties in a single document without needing to perform a full document read-replace operation.