Final project submission - (Anuska08 & anuskajena25@gmail.com)

[Anuska08]

hii

[janto-071022]

hi sujay bhowmik
sujaybhowmik07@gmai.com // due to less time i upload the answer in comment section
"final project submission"
-------//-----1. Easy-------\------
/a. List each movie's title, release_date, and its director's name/

sql
Copy
Edit
SELECT
m.title,
m.release_date,
d.name AS director_name
FROM
Movies m
JOIN
Directors d ON m.director_id = d.director_id;

/*b. Retrieve all movie titles where is_original = TRUE */

sql
Copy
Edit
SELECT
title
FROM
Movies
WHERE
is_original = TRUE;

/*c. Show every web series' title, start_date, and seasons */
sql
Copy
Edit
SELECT
title,
start_date,
seasons
FROM
WebSeries;
-------//----2. Medium----\--------

/*a. For each actor, count how many movies they've appeared in */
sql
Copy
Edit
SELECT
a.actor_id,
a.name,
COUNT(mc.movie_id) AS movie_count
FROM
Actors a
LEFT JOIN
MovieCast mc ON a.actor_id = mc.actor_id
GROUP BY
a.actor_id, a.name
ORDER BY
movie_count DESC;

/b. For each genre, calculate how many movies belong to it/
sql
Copy
Edit
SELECT
g.genre_id,
g.name,
COUNT(mg.movie_id) AS movie_count
FROM
Genres g
LEFT JOIN
MovieGenres mg ON g.genre_id = mg.genre_id
GROUP BY
g.genre_id, g.name
ORDER BY
movie_count DESC;

/c. Average rating for each series with at least 2 reviews/
sql
Copy
Edit
SELECT
ws.series_id,
ws.title,
ROUND(AVG(r.rating), 2) AS average_rating
FROM
WebSeries ws
JOIN
Reviews r ON ws.series_id = r.content_id AND r.content_type = 'SERIES'
GROUP BY
ws.series_id, ws.title
HAVING
COUNT(r.review_id) >= 2
ORDER BY
average_rating DESC;

/d. List all episodes of "Breaking Bad"/
sql
Copy
Edit
SELECT
season_number,
episode_number,
title,
air_date
FROM
Episodes
WHERE
series_id = 101
ORDER BY
season_number, episode_number;

------// --3. Hard -----\--------

/a. Rank movies by their average review rating/

sql
Copy
Edit
SELECT
m.movie_id,
m.title,
ROUND(AVG(r.rating), 2) AS average_rating,
RANK() OVER (ORDER BY AVG(r.rating) DESC) AS rank
FROM
Movies m
JOIN
Reviews r ON m.movie_id = r.content_id AND r.content_type = 'MOVIE'
GROUP BY
m.movie_id, m.title;

/b. Combine movies and series with average rating ≥ 9.0/

sql
Copy
Edit
SELECT
'MOVIE' AS content_type,
m.title,
ROUND(AVG(r.rating), 2) AS average_rating
FROM
Movies m
JOIN
Reviews r ON m.movie_id = r.content_id AND r.content_type = 'MOVIE'
GROUP BY
m.title
HAVING
AVG(r.rating) >= 9.0

UNION

SELECT
'SERIES' AS content_type,
ws.title,
ROUND(AVG(r.rating), 2) AS average_rating
FROM
WebSeries ws
JOIN
Reviews r ON ws.series_id = r.content_id AND r.content_type = 'SERIES'
GROUP BY
ws.title
HAVING
AVG(r.rating) >= 9.0;

/c. Average rating per director for movies with ≥ 8.5/

sql
Copy
Edit
SELECT
d.name AS director_name,
ROUND(AVG(r.rating), 2) AS average_rating
FROM
Directors d
JOIN
Movies m ON d.director_id = m.director_id
JOIN
Reviews r ON m.movie_id = r.content_id AND r.content_type = 'MOVIE'
GROUP BY
d.name
HAVING
AVG(r.rating) >= 8.5;