ADF linked services represent connections to storage or compute resource – decoupled from one another in the way described in Chapter 2 – that are external to Azure Data Factory. The linked services you have been using in previous chapters represent connections to external storage, and access to external compute (such as HDInsight or Azure Databricks) is managed in the same way.
This chapter is concerned with internal resource, specifically compute, as ADF has no storage resource of its own. Internal pipeline activities ...