Ruby/ActiveRecord/Table Name

ActiveRecord::Base.establish_connection(
:adapter => "oracle",
:database => "test", 
:username => "kevin", 
:password => "test")

=begin
create database Contact;
use Contact;
CREATE TABLE Employee (
   Name VARCHAR(50),
   Phone VARCHAR(15)
);
=end
require "rubygems"
require "activerecord"
ActiveRecord::Base.establish_connection(
  :adapter => "mysql",
  :host => "localhost",
  :username => "root",
  :database => "Contact")
class Employee < ActiveRecord::Base
   set_table_name "employee"
end
account = Employee.new
account.Name = "AAA"
account.save

ActiveRecord::Base.establish_connection(
:adapter => "postgresql",
:database => "test", 
:username => "kevin", 
:password => "test")

ActiveRecord::Base.establish_connection(
:adapter => "sqlite", 
:database => "test")

ActiveRecord::Base.establish_connection(
:adapter => "sqlserver",
:database => "test", 
:username => "kevin", 
:password => "test",
:host => "www.yourdbserver.ru")

The following example shows how to open an Active Record database connection for Sybase:
ActiveRecord::Base.establish_connection(
:adapter => "sybase",
:database => "test", 
:host => "www.yourdbserver.ru",
:usrname => "kevin", 
:password => "test")