题解 | #创建一个actor_name表#
创建一个actor_name表
http://www.nowcoder.com/practice/881385f388cf4fe98b2ed9f8897846df
drop table if exists actor_name; create table `actor_name` ( `first_name` varchar(45) not null, `last_name` varchar(45) not null ); insert into actor_name (first_name,last_name) select first_name,last_name from actor;