SQL exercises on movie Database: Find the name of the director who directed a movie that casted a role for 'Eyes Wide Shut'

SQL movie Database: Subquery Exercise-2 with Solution

2. From the following tables, write a SQL query to find the director of a film that cast a role in 'Eyes Wide Shut'. Return director first name, last name.

Sample table: director

Sample table: movie_direction

Sample table: movie_cast

Sample table: movie

Sample Solution:

SELECT dir_fname, dir_lname
FROM  director
WHERE dir_id in (
SELECT dir_id 
FROM movie_direction
WHERE mov_id in(
SELECT mov_id 
FROM movie_cast WHERE role = ANY (
SELECT role 
FROM movie_cast 
WHERE mov_id IN (
SELECT  mov_id 
FROM movie 
WHERE mov_title='Eyes Wide Shut'))));

Sample Output:

      dir_fname       |      dir_lname
----------------------+----------------------
 Stanley              | Kubrick
(1 row)

Code Explanation:

The said query in SQL that retrieves the first and last name of the
director(s) who directed a movie in which any actor played
a role that was also played in the movie 'Eyes Wide Shut'.
1. In the innermost subquery, it selects the mov_id of the movie 'Eyes Wide Shut' from the movie table.
Then, it uses that mov_id to select all roles played in
that movie from the movie_cast table.
2. Then that list of roles are use to select all mov_id values from the movie_cast table where the same
roles were played. This effectively finds all movies that have at
least one actor playing the same roles as in 'Eyes Wide Shut'.
3. Then, it selects the dir_id values from the movie_direction table for each of those movies found in the step 2.
4. Then the outermost query selects the first and last names of
the director(s) whose dir_id values were found in the step 3.

Practice Online

Query Visualization:

Duration:

Rows:

Cost:

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