text: CREATE TABLE IF NOT EXISTS `gz_school_class` (
    `id` int(10) NOT NULL AUTO_INCREMENT COMMENT 'id',
    `class_code` varchar(255) NOT NULL DEFAULT '' COMMENT '班级唯一code',
    `school_code` varchar(255) NOT NULL DEFAULT '' COMMENT '院校唯一code',
    `class_name` varchar(255) NOT NULL DEFAULT '' COMMENT '班级名称',
    `is_delete` tinyint(1) NOT NULL DEFAULT '0' COMMENT '是否删除 0否 1是',
    `created_at` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
    `updated_at` int(11) NOT NULL,
    PRIMARY KEY (`id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='班级';