kemal cikota

.gitignore

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+devbox/

sql/directors-Film-Amount.sql

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+SELECT directors.name AS director, COUNT(films.id) AS film_count
+FROM directors
+LEFT JOIN films ON directors.directorId = films.directorId
+GROUP BY directors.directorId, directors.name
+ORDER BY film_count DESC;

sql/directors/create-directors.sql

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+/* EXTENSION 2 */
+
+CREATE TABLE directors (
+    directorId serial primary key,
+    name varchar(255) not null
+);

sql/directors/insert-directors.sql

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+INSERT INTO directors (name) VALUES ('Frank Darabont');
+INSERT INTO directors (name) VALUES ('Francis Ford Coppola');
+INSERT INTO directors (name) VALUES ('Christopher Nolan');
+INSERT INTO directors (name) VALUES ('Ridley Scott');
+INSERT INTO directors (name) VALUES ('Paul Verhoeven');
+INSERT INTO directors (name) VALUES ('Lana Wachowski');
+INSERT INTO directors (name) VALUES ('John McTiernan');
+INSERT INTO directors (name) VALUES ('Rob Reiner');
+INSERT INTO directors (name) VALUES ('Jane Campion');
+INSERT INTO directors (name) VALUES ('David Mackenzie');
+INSERT INTO directors (name) VALUES ('Sergio Leone');
+INSERT INTO directors (name) VALUES ('Clint Eastwood');

sql/films/create-films.sql

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+CREATE TABLE films (
+    id serial primary key,
+    title varchar(255) not null,
+    genre varchar(255) not null,
+    release_year int not null,
+    score int not null,
+    directorId int references directors(directorId)
+);

sql/films/insert-films.sql

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+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('The Shawshank Redemption', 'Drama', 1994, 9.3, 1);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('The Godfather', 'Crime', 1972, 9, 2);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('The Dark Knight', 'Action', 2008, 9, 3);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('alien', 'Sci-Fi', 1979, 9, 4);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('Total Recall', 'Sci-Fi', 1990, 8, 5);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('The Matrix', 'Sci-Fi', 1999, 8, 6);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('The Matrix Resurrections', 'Sci-Fi', 2021, 5, 6);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('The Matrix Reloaded', 'Sci-Fi', 2003, 6, 6);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('The Hunt for Red October', 'Thriller', 1990, 7, 7);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('Misery', 'Thriller', 1990, 7, 8);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('The Power Of The Dog', 'Western', 2021, 6, 9);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('Hell or High Water', 'Western', 2016, 8, 10);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('The Good the Bad and the Ugly', 'Western', 1966, 9, 11);
+INSERT INTO films (title, genre, release_year, score, directorId) VALUES ('Unforgiven', 'Western', 1992, 7, 12);

sql/films/select-films.sql

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+/* select all films */
+SELECT * FROM films;
+
+/* All films ordered by rating descending */
+SELECT * FROM films ORDER BY score DESC;
+
+/* All films ordered by release year ascending */
+SELECT * FROM films ORDER BY release_year ASC;
+
+/* All films with a rating of 8 or higher */
+SELECT * FROM films WHERE score >= 8;
+
+/* All films with a rating of 7 or lower */
+SELECT * FROM films WHERE score <= 7;
+
+/* All films released in 1990 */
+SELECT * FROM films WHERE release_year = 1990;
+
+/*films released after 1990*/
+SELECT * FROM films WHERE release_year > 1990;
+
+/* films released between 1990 and 2000 */
+SELECT * FROM films WHERE release_year BETWEEN 1990 AND 2000;
+
+/* films with genre of "SciFi" */
+SELECT * FROM films WHERE genre = "Sci-Fi";
+
+/* films with the genre of "western" or "Sci-Fi" */
+SELECT * FROM films WHERE genre = "Western" OR genre = "Sci-Fi";
+
+/* films with any genre apart from "Sci-Fi" */
+SELECT * FROM films WHERE genre != "Sci-Fi";
+
+/* films with the genre of "western" released before 2000 */
+SELECT * FROM films WHERE genre = "Western" AND release_year < 2000;
+
+/* films that have the world "matrix" in their title */
+SELECT * FROM films WHERE title LIKE "%matrix%";
+
+/* ------ EXTENSION 1 ------ */
+
+/* retyrn the average score of all films */
+SELECT AVG(score) FROM films;
+
+/* return the total number of films */
+SELECT COUNT(*) FROM films;
+
+/* return the average film rating by genre */
+SELECT genre, AVG(score) FROM films GROUP BY genre;

sql/select-films-with-directors.sql

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+SELECT films.title, films.genre, films.release_year, films.score, directors.name AS director
+FROM films
+JOIN directors ON films.directorId = directors.directorId;