Kristian Sylte

sql/movies/create-movies.sql

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+create table films(
+ id serial primary key,
+ title varchar(255) not null unique,
+ genre varchar(255) not null,
+ release_year int not null,
+ score int not null,
+ director int references directors(id) not null
+);
+
+create table directors(
+  id serial primary key,
+  name varchar(255) not null
+);

sql/movies/populate-movies.sql

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+insert into directors (name) values
+('one'),
+('two');
+
+insert into films (title, genre, release_year, score, director) values 
+('The Shawshank Redemption', 'Drama', 1994, 9, 1),
+('The Godfather', 'Crime', 1972, 9, 1),
+('The Dark Knight', 'Action', 2008, 9, 1),
+('Alien', 'SciFi', 1979, 9, 1),
+('Total Recall', 'SciFi', 1990, 8, 1),
+('The Matrix', 'SciFi', 1999, 8, 1),
+('The Matrix Resurrections', 'SciFi', 2021, 5, 2),
+('The Matrix Reloaded', 'SciFi', 2003, 6, 2),
+('The Hunt for Red October', 'Thriller', 1990, 7, 2),
+('Misery', 'Thriller', 1990, 7, 2),
+('The Power Of The Dog', 'Western', 2021, 6, 2),
+('Hell or High Water', 'Western', 2016, 8, 2),
+('The Good the Bad and the Ugly', 'Western', 1966, 9, 2),
+('Unforgiven', 'Western', 1992, 7, 2);

sql/movies/statements.sql

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+select * from films;
+select * from films order by release_year desc;
+select * from films order by release_year asc;
+select * from films where score >= 8;
+select * from films where score <= 8;
+select * from films where release_year = 1990;
+select * from films where release_year < 2000;
+select * from films where release_year > 1990;
+select * from films where release_year >= 1990 and release_year <= 1999;
+select * from films where genre = "SciFi";
+select * from films where genre = "SciFi" or genre = "Western";
+select * from films where not genre = "SciFi";
+select * from films where genre = "Western" and release_year < 2000;
+select * from films where title like "%Matrix%";
+
+-- Extension 1
+select avg(score) from films;
+select count(*) from films;
+select genre, avg(score) from films group by genre;
+
+-- Extension 2
+select * from films left join directors on films.director = directors.id;
+select directors.name, count(films.title) from films inner join directors on films.director = directors.id group by directors.name;