sql script
create table actor_name ( first_name varchar(45) not null comment '名字', last_name varchar(45) not null comment '姓氏' ); insert into actor_name select first_name,last_name from actor;
create table actor_name ( first_name varchar(45) not null comment '名字', last_name varchar(45) not null comment '姓氏' ); insert into actor_name select first_name,last_name from actor;