SQL Data Warehouse is a fully managed enterprise-class elastic data warehouse service. A SQL Data Warehouse can be rapidly deployed with zero maintenance costs to maintain a mission-critical service level. Because SQL DW independently scales compute from storage, and can quickly grow or shrink compute capacity, customers pay for time-to-insight when they need it, based on performance objectives for scan, load, and query speeds. SQL DW uses a Massively Parallel Processing (MPP) design with highly parallelized query processing, with clustered columnstore indexes and an advanced cost-based query optimizer. SQL DW also offers enterprise-class SQL Server experience and the ability to query across both relational and semi-structured data.