-- 广播信息表
CREATE TABLE `manage_broadcast` (
                                    `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键id',
                                    `content` varchar(255) COLLATE utf8mb4_bin NOT NULL COMMENT '消息内容',
                                    `create_user` varchar(255) COLLATE utf8mb4_bin NOT NULL COMMENT '创建人',
                                    `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
                                    `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '修改时间',
                                    PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 AUTO_INCREMENT=1 COLLATE=utf8mb4_bin COMMENT='广播表';