require 'rubygems'
require 'java'
require 'ojdbc6.jar'
 
Java::oracle.jdbc.driver.OracleDriver
conn = java.sql.DriverManager.get_connection("jdbc:oracle:oci:@orcl", "scott", "tiger")
stmt = conn.create_statement
 
rs = stmt.execute_query("SELECT 'Hello, JDBC Type2 World!' AS Message FROM DUAL")
 
while (rs.next) do
  puts rs.getString(1)
end
 
rs.close
stmt.close
conn.close