activerecord-jdbc-alt-adapter

https://github.com/JesseChavez/activerecord-jdbc-adapter

Fork of the ActiveRecord JDBC adapter with support for SQL Server and Azure SQL, for more information and help look at the README file in the github repository. AR-JDBC is a database adapter for Rails' ActiveRecord component designed to be used with JRuby built upon Java's JDBC API for database access. Provides (ActiveRecord) built-in adapters: MySQL, PostgreSQL, SQLite3, and SQLServer.