Question
May I ask the SQL Query code as the follow Movie(title, production year, country, run time, major genre) primary key : {title, production year} Person(id,
May I ask the SQL Query code as the follow
Movie(title, production year, country, run time, major genre)
primary key : {title, production year}
Person(id, first name, last name, year born)
primary key : {id}
Director(id, title, production year)
primary key : {title, production year}
foreign keys : [title, production year] Movie[title, production year] [id] Person[id]
Writer(id, title, production year, credits)
primary key : {id, title, production year}
foreign keys : [title, production year] Movie[title, production year] [id] Person[id]
Question.
A person has worked on a movie if this person is a director, a writer, or both a director and writer of this movie. Who have worked on at least two distinct movies in this database? List their ids, first and last names.
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