Which feature in SQL Server and Azure Synapse Analytics lets you run T-SQL queries against external data stores and makes those external sources appear as tables in a SQL database?

Not supported Fully supported ... [1] For HDFS and Azure Blob Storage only (For SQL Server 2017, SQL Server 2016 only). [2] For tail of the log only (For SQL Server 2017, SQL Server 2016 only). [3] ...