Azure Data Factory

Here is the free Azure Data Factory training (the Coursera, LinkedIn Learning and Udemy also have good resources).

Data integration at scale Azure Data Factory - Learn | Microsoft Docs

Learning and Development Services (microsoft.com)

Tutorials, documentation and quickstarts:

Azure Data Factory Documentation - Azure Data Factory | Microsoft Docs

DP-203 is the certification that covers Azure Data Factory:

Microsoft Certified: Azure Data Engineer Associate - Learn | Microsoft Docs

There are a lot of good videos on YouTube to get up to speed with ADF. I like this introductory video from Adam:

Azure Data Factory Tutorial | Introduction to ETL in Azure - YouTube

Azure Data factory pricing:

Pricing – Data Factory | Microsoft Azure