[This document supports a preliminary release of a software product that may be changed substantially prior to final commercial release. This document is provided for informational purposes only.]
As described in SQL Data Services RDBMS Model, SDS now exposes relational capabilities directly through SQL Server’s existing network protocol, Tabular Data Stream (TDS). The relational model replaces the SDS ACE (Authority, Container and Entity) model. The ACE data model is deprecated.
Concepts
SQL Data Services RDBMS Model