text: 创建数据表
  SET FOREIGN_KEY_CHECKS=0;
  
  -- ----------------------------
  -- Table structure for t_properties
  -- ----------------------------
  DROP TABLE IF EXISTS `t_properties`;
  CREATE TABLE `t_properties` (
    `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
    `c_group_key` varchar(255) NOT NULL,
    `c_key` varchar(255) NOT NULL,
    `c_value` varchar(255) NOT NULL,
    `c_create_date` datetime NOT NULL,
    PRIMARY KEY (`id`)
  ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
  