14 Common SQL

14.4 Object oriented interface

This section describes the object-oriented interface to SQL databases using specialized CLOS classes. These classes have standard-db-object as one of their superclasses and have standard-db-class as their metaclass. Thestandard-db-class metaclass provides the specialized behavior for mappingsubclasses of standard-db-object onto records in the database. A class of this kind is created usingdef-view-class.