Jonas Finborud Nyman

sql/films/create-films.sql

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+CREATE TABLE IF NOT EXISTS Movies (
+    id SERIAL PRIMARY KEY,
+    title TEXT,
+    genre TEXT,
+    year INT,
+    score INT,
+    UNIQUE(title)
+)

sql/films/extension1.sql

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+SELECT AVG(score) FROM movies;
+
+SELECT COUNT(title) FROM movies;
+
+SELECT genre, AVG(score) FROM movies GROUP BY genre;

sql/films/extension2.sql

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+SELECT title, directors.name, director_id
+FROM movies
+INNER JOIN directors ON movies.director_id = directors.id;

sql/films/extension3.sql

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+SELECT directors.name, director_id, COUNT(title)
+FROM movies
+INNER JOIN directors ON director_id = directors.id
+GROUP BY directors.name, director_id;

sql/films/insert-films.sql

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+INSERT INTO Movies
+    (title, genre, year, score)
+VALUES
+    ('The Shawshank Redemption', 'Drama', 1994, 9),
+    ('The Godfather', 'Crime', 1972, 9),
+    ('The Dark Knight', 'Action', 2008, 9),
+    ('Alien', 'SciFi', 1979, 9),
+    ('Total Recall', 'SciFi', 1990, 8),
+    ('The Matrix', 'SciFi', 1999, 8),
+    ('The Matrix Resurrections', 'SciFi', 2021, 5),
+    ('The Matrix Reloaded', 'SciFi', 2003, 6),
+    ('The Hunt for Red October', 'Thriller', 1990, 7),
+    ('Misery', 'Thriller', 1990, 7),
+    ('The Power Of The Dog', 'Western', 2021, 6),
+    ('Hell or High Water', 'Western', 2016, 8),
+    ('The Good the Bad and the Ugly', 'Western', 1966, 9),
+    ('Unforgiven', 'Western', 1992, 7);

sql/films/select-films.sql

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+SELECT * FROM Movies;
+
+SELECT * FROM Movies ORDER BY score DESC;
+
+SELECT * FROM Movies ORDER BY year ASC;
+
+SELECT * FROM Movies WHERE score >= 8;
+
+SELECT * FROM Movies WHERE score <= 7;
+
+SELECT * FROM Movies WHERE year = 1990;
+
+SELECT * FROM Movies WHERE year < 2000;
+
+SELECT * FROM Movies WHERE year BETWEEN 1990 AND 1999;
+
+SELECT * FROM Movies WHERE genre = 'SciFi';
+
+SELECT * FROM Movies WHERE genre = 'SciFi' OR genre = 'Western';
+
+SELECT * FROM Movies WHERE genre != 'SciFi';
+
+SELECT * FROM Movies WHERE genre = 'Western' AND year < 2000;
+
+SELECT * FROM Movies WHERE title LIKE '%Matrix%';