public static void main(String args[]) throws SQLException{
	Database db = new Database();
	//String sql = "select user_name,pwd from SCOTT.users where SCOTT.USERS.USER_ID = '1221101'";
	
//	String sql = "insert into SCOTT.users(user_id,user_name,pwd) values ('122110123','ŷ','12')";
//	int i = db.updateDB(sql);
//System.out.println(i);
	
    String sql = "select * from nls_database_parameters";
	db.searchDB(sql);
	while(db.rs.next()){
		System.out.println(db.rs.getString(1));
	}
}