Tips and Tricks Archives | Azure Cosmos DB Blog

Change Feed – Unsung Hero of Azure Cosmos DB

Lenni LobelJuly 2, 2020Jul 2, 202007/2/20

One of the most overlooked capabilities in Azure Cosmos DB is its change feed. This little gem sits quietly behind every container in your database, watches for changes, and maintains a persistent record of them in the order they occur. Discover use cases and tips for using this powerful feature.

Azure Cosmos DB for AI Engineers

Rodrigo SouzaJune 23, 2020Jun 23, 202006/23/20

Learn how AI Engineers can use Azure Cosmos DB for AI Applications.

New string function performance improvements and case-insensitive search

Tim SanderJune 15, 2020Jun 15, 202006/15/20

Azure Cosmos DB now supports case-insensitive Contains, StartsWith, EndsWith, and StringEquals. Additionally, both Contains and EndsWith have had significant performance improvements. You can now store string data in Azure Cosmos DB without having to worry about matching the case in the query.

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 ...

Running a low-cost, scalable app with Azure Cosmos DB free tier

Nikisha Reyes-GrangeMarch 23, 2020Mar 23, 202003/23/20

When building an app, the challenge is to identify the right combination of services or tools from the vast options available. The creators of theURList.com share how Azure Cosmos DB free tier and other Azure services help them run a low-cost, scalable app.

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