When it comes to manage cloud-based IT, some traditional IT management challenges are still valid, i.e. the question: "What do i own ?". So far the Azure REST-API was responsoible to provide that data via PowerShell, the Portal or direct API calls. As Azure infrastructure is getting larger, Microsoft has decided to release a "CMDB" type solution, which stores the resource data in a database, and is much easier to query that the REST-API.
Get an overview of Azure Resource Graph, the if, why and how in comparison to the methods you know so far and see some demos how to get data from Azure the easy way.