Rails 3 tips - Create project with different database(MySQL,PostGresSQL,JDBC,SQL SERVER, etc)

Here are commands to create Rails 3 application with different database

MySQL
rails new app --database=mysql

ORACLE
rails new app --database=oracle

PostgreSQL
rails new app --database=postgresql

SQLite3
rails new app --database=sqlite3

FrontBase
rails new app --database=frontbase

IBM DB
rails new app --database=ibm_db

SQL SERVER
rails new app --database=sqlserver

JDBC
rails new app --database=jdbc

JDBC MySQL
rails new app --database=jdbcmysql

JDBC PostgreSQL
rails new app --database=jdbcpostgresql

JDBC SQLite3
rails new app --database=jdbcsqlite3