Complex sentence: This PaaS also features PolyBase which allows queries to span across both structured and unstructured analytical workloads using Transact-SQL (TSQL), which is also the optimal method to load data into SQL Data Warehouse as it does so in parallel across the compute nodes.
Split into simpler sentences: This PaaS also features PolyBase which allows queries to span across both structured and unstructured analytical workloads using Transact-SQL (TSQL). PolyBase is also the optimal method to load data into SQL Data Warehouse as it does so in parallel across the compute nodes.