NAME

       UR::DataSource::RDBMS - Abstract base class for RDBMS-type data sources

DESCRIPTION

       This class implements the interface UR uses to query RDBMS databases with DBI.  It
       encapsulates the system's knowledge of classes/properties relation to tables/columns, and
       how to generate SQL to create, retrieve, update and delete table rows that represent
       object instances.

SEE ALSO

       UR::DataSource, UR::DataSource::Oracle, UR::DataSource::Pg, UR::DataSource::SQLite
       UR::DataSource::MySQL