Whereas working with Core and the SQL Expression language presents a
schema-centric view of the database, along with a programming paradigm that is
oriented around immutability, the ORM builds on top of this a domain-centric
-view of the database with a programming paradigm that is more explcitly
+view of the database with a programming paradigm that is more explicitly
object-oriented and reliant upon mutability. Since a relational database is
itself a mutable service, the difference is that Core/SQL Expression language
is command oriented whereas the ORM is state oriented.