Oracle was previously slated over how it handled MySQL – the company now has a new plan to involve the community.
Currently supports MySQL, PostgreSQL, SQLite and SQL Server (via ODBC). The project is hosted on github with documentation available on the wiki. See also: hibernated - ORM for D language which uses ...
Sequel is a simple, flexible, and powerful SQL database access toolkit for Ruby. Sequel provides thread safety, connection pooling and a concise DSL for constructing SQL queries and table schemas.