下列语句为查询给导演” Spielberg”执导电影评过分的reviewer信息,下列空白处应该填写( )SELECT * from Reviewer where rID ____ (SELECT rID from Rating,MovieWHERE Movie.mID = Rating.mIDAND Movie.director = “Spielberg” )
选项:
A:EXISTS ;
B:NOT EXISTS;
C:ANY ;
D:IN
发布时间:2024-05-19 14:38:16