All database commands are reduced to 3: Load, Store, & Delete. Parameters are vendor-specific, except a possible security parameter to be defined. Strongly-typed database. It is anticipated that vendor implementations will have to be approved individually.
Proof of concept: http://systemdotpersistence.blogspot.com
Microsoft: I'd like to see this built into SQL Server as an interface. Application passes the object in, SQL Server maps it (strongly typed). Same for MySQL and Oracle.