text: SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
  SET time_zone = "+00:00";
  CREATE DATABASE IF NOT EXISTS `loulabelle_playground` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
  USE `loulabelle_playground`;
  
  CREATE TABLE `loulabelle_files` (
    `folder_name` varchar(99) NOT NULL,
    `file_name` varchar(99) NOT NULL,
    `source_text` varchar(20000) NOT NULL,
    `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
    `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
  
  CREATE TABLE `loulabelle_folders` (
    `folder_name` varchar(99) NOT NULL,
    `password` varchar(255) NOT NULL,
    `public` tinyint(1) NOT NULL DEFAULT '0',
    `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
    `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
  
  ALTER TABLE `loulabelle_files`
    ADD PRIMARY KEY (`folder_name`,`file_name`) USING BTREE;
  
  ALTER TABLE `loulabelle_folders`
    ADD PRIMARY KEY (`folder_name`) USING BTREE,
    ADD KEY `system` (`public`);
  
  ALTER TABLE `loulabelle_files`
    ADD CONSTRAINT `loulabelle_files_ibfk_1` FOREIGN KEY (`folder_name`) REFERENCES `loulabelle_folders` (`folder_name`);
  