通过了解SQL脚本

Question

我是SQL的新手，我很难解决以下问题：

我有这个关系表：

Movie (CodMov, Title, ProductionYear, Nationality, Director, Genre)

我如何找到＆＃34;电影片名＆＃34;在SQL脚本中指导＆＃34; X＆＃34;的同一导演制作的所有电影？

谢谢。

Answer 1

您可以使用子选择

select Title
from Movie 
where Director = ( select Director from Movie
                    where Title = 'X')

Answer 2

select Title 
from Movie 
where Director = (select Director from movie where Title = 'X')