Core (SQL) API

Read many items fast with the Java SDK for Azure Cosmos DB

Theo van Kraay January 20, 2022 Jan 20, 2022 01/20/22

Discover ways to collect lots of separate records quickly using the Java SDK for Azure Cosmos DB Java.

Tips & Tricks for Query Pagination in Azure Cosmos DB

Tim Sander January 13, 2022 Jan 13, 2022 01/13/22

In this blog, we'll take a look at tips for query pagination in Azure Cosmos DB. Pagination is the process of dividing a large volume of data across many small pages.

Async IO for the Python SDK is now in preview!

Gahl Levy December 16, 2021 Dec 16, 2021 12/16/21

Async IO support for Azure Cosmos DB Python SDK, an important and much-anticipated capability, is now available in preview! Async IO is a concurrent programming method in Python that makes running CRUD (create, read, update, delete) operations in parallel easy to do.

Reading data with Spring Data Azure Cosmos DB v3

Ravi Tella December 15, 2021 Dec 15, 2021 12/15/21

Discover best practices to help improve the read performance of Spring applications when using the new Spring Data Azure Cosmos DB v3 for Core (SQL) API.

Improve application performance with Java SDK v4 for Azure Cosmos DB

Ravi Tella November 9, 2021 Nov 9, 2021 11/9/21

The Java SDK v4 for Azure Cosmos DB has many improvements and new APIs to help increase the performance of your applications. Discover how the new version helps improve application performance by reducing the number of network roundtrips and latency when using direct mode in the Java SDK v4.

New developer productivity, cost-savings, and advanced analytics features announced at Microsoft Ignite

Nikisha Reyes-Grange November 2, 2021 Nov 2, 2021 11/2/21

New features and capabilities for Azure Cosmos DB were announced today at Microsoft Ignite (November 2021). Read on for highlights and the schedule of events.

Optimize query performance with Azure Cosmos DB indexing metrics

Tim Sander November 2, 2021 Nov 2, 2021 11/2/21

You can now use the Azure Cosmos DB indexing metrics, now generally available, to optimize query performance! The indexing metrics show indexes that the query engine used and index recommendations for improving query performance.

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

Rodrigo Souza November 2, 2021 Nov 2, 2021 11/2/21

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

Abhishek Gupta November 2, 2021 Nov 2, 2021 11/2/21

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.

Planning Azure Cosmos DB capacity using vCores, vCPUs, and request rates

Andy Feldman September 28, 2021 Sep 28, 2021 09/28/21

How to use the information you know about your database clusters to estimate the provisioned throughput request units you'll need when migrating NoSQL data to Azure Cosmos DB and avoid over-provisioning or overpaying

Azure Cosmos DB Blog

Core (SQL) API - Azure Cosmos DB Blog