public static void testOne() throws Exception
	 {
		 Class.forName(JDBC_DRIVER);
		 Connection  conn = DriverManager.getConnection(DB_URL, USER_NAME, PASSWORD);
		
		 // see if a connection is established 
		 if(conn != null)
		 {
			 System.out.println("Connection established");
		 }
		 
	
		 Statement stmt = conn.createStatement();
		 String sql = "SELECT * FROM umls.MRCONSO LIMIT 10;";
		 ResultSet res = stmt.executeQuery(sql);
		 
		 while(res.next())
		 {
			 System.out.println(res.getString(1));
		 }
		 
	     // close response
	      res.close();
	     // close connection
	     conn.close();
		 
	 }