Valentina Studio is a GUI manager for local files of Valentina DB, SQLite, MySQL, PostgreSQL, and Valentina DB Server. It can edit and browse schemas and records, do SQL queries using a smart SQL editor with autocompletion, export/import into different formats, do SQL dumps, and draw diagrams using reverse engineering.
PGObject::Simple::Role provides an interface to the PGObject service locator for Moo and Moose Perl classes. This service locator is intended to integrate Perl objects with PostgreSQL user-defined functions, and this uses the "simple" mapping approach. Between PGObject::Simple::Rrole and PGObject::Util::DBMethod, it is possible to write fully-declarative classes in which all calculation logic is handed off to database functions.