Azure Cosmos DB Blog

Unlock near real-time, no-ETL analytics at scale with Azure Synapse Link for Azure Cosmos DB

Ramnandan KrishnamurthyMay 19, 2020May 19, 202005/19/20

Learn about how you can use Azure Synapse Link for Azure Cosmos DB to analyze large volumes of operational data directly in near real-time with no ETL pipelines and no performance impact on transactional workloads

Now in preview: Use the native Cassandra shell on Azure Cosmos DB Cassandra API!

Theo van KraayMay 15, 2020May 15, 202005/15/20

We have released support to run the native Cassandra shell (CQLSH) v5.0.1 on the Data Explorer for Azure Cosmos DB Cassandra API accounts!

Join us: Azure Cosmos DB at Microsoft Build 2020

Nikisha Reyes-GrangeMay 14, 2020May 14, 202005/14/20

Save the date: join the Azure Cosmos DB team at Microsoft Build 2020 for announcements and demos of exciting new capabilities and features.

Using spatial geometry data in Azure Cosmos DB

Tim SanderMay 7, 2020May 7, 202005/7/20

Support for two different types of spatial data has been added to Azure Cosmos DB. Using the SQL (Core) API: geography data (round-earth coordinate system), and two-dimensional geometry data.

Migrate relational data into Azure Cosmos DB using Azure Data Factory

Tonio LoraMay 4, 2020May 4, 202005/4/20

It's now possible to migrate relational data to Azure Cosmos DB in just six easy steps. Discover the no-code way by using the mapping data flows capability of Azure Data Factory.

Getting started with Azure Cosmos DB using API for MongoDB and Rust

Gurpreet SinghApril 29, 2020Apr 29, 202004/29/20

Rust is becoming increasingly popular both externally and internally at Microsoft due to its performance and safety, especially safe concurrency. In this tutorial, we are going to be writing a Rust application to perform create, read, update, and delete (CRUD) operations on data using Azure Cosmos DB's API for MongoDB. Prerequisites...

How to change your partition key in Azure Cosmos DB

Theo van KraayApril 27, 2020Apr 27, 202004/27/20

Searching for how to change your partition key in Azure Cosmos DB? You have come to the right place! Learn how to achieve this by leveraging Change Feed and Bulk Execution features in Azure Cosmos DB to live migrate containers.

Bulk support improvements for Azure Cosmos DB .NET SDK

Matias QuarantaApril 14, 2020Apr 14, 202004/14/20

Learn about the improvements made on Bulk support to increase throughput usage in the latest Azure Cosmos DB .NET SDK.

April query updates in Azure Cosmos DB

Tim SanderApril 9, 2020Apr 9, 202004/9/20

We are constantly adding new query and indexing features to Azure Cosmos DB. This blog outlines a few recent query and indexing improvements for aggregates, inequality filters, and
dates and time system functions. This blog covers updates during the first four months of 2020.

Azure Cosmos DB Java SDK v4 – Exploring the new Async API

Andy FeldmanMarch 25, 2020Mar 25, 202003/25/20

In this second of our series for the Azure Cosmos DB Java SDK v4 for Core (SQL) API, I’m going to explore our new Async API. To get you caught up though go check out the first post in this series Azure Cosmos DB Java SDK v4 - New Java SDK Quickstart Guide and Sample Code! Current users of our Java SDK v2 are familiar with our Sync API ...