drop table if exists `t_simple`; create table `t_simple` ( id int auto_increment comment 'id', name varchar(50) comment '姓名', age int comment '年龄', delete_flag tinyint(1) comment '删除标识1', deleted tinyint(1) comment '删除标识2', version bigint comment '版本', create_time datetime comment '创建时间', update_time datetime comment '更新时间', primary key (id) ) COMMENT = '测试表';