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SQL exercises on movie Database: Compute a report which contain the genres of those movies with their average time and number of movies for each genres

SQL movie Database: Join Exercise-10 with Solution

10. Write a query in SQL to compute a report which contain the genres of those movies with their average time and number of movies for each genres.

Sample table: movie


Sample table: genres


Sample table: movie_genres


Sample Solution:

SELECT gen_title, AVG(mov_time), COUNT(gen_title) 
FROM movie
NATURAL JOIN  movie_genres
NATURAL JOIN  genres
GROUP BY gen_title;

Sample Output:

      gen_title       |         avg          | count
----------------------+----------------------+-------
 Adventure            | 162.5000000000000000 |     2
 Comedy               |  93.0000000000000000 |     1
 Drama                | 134.2500000000000000 |     4
 Horror               | 100.0000000000000000 |     1
 Thriller             | 117.0000000000000000 |     1
 Crime                | 124.0000000000000000 |     2
 Action               | 137.0000000000000000 |     1
 Music                | 118.0000000000000000 |     1
 War                  | 183.0000000000000000 |     1
 Romance              | 122.0000000000000000 |     1
 Animation            | 134.0000000000000000 |     1
 Mystery              | 137.3333333333333333 |     3
(12 rows)

Practice Online


Movie database model

Query Visualization:

Duration:

Query visualization of Compute a report which contain the genres of those movies with their average time and number of movies for each genres - Duration

Rows:

Query visualization of Compute a report which contain the genres of those movies with their average time and number of movies for each genres - Rows

Cost:

Query visualization of Compute a report which contain the genres of those movies with their average time and number of movies for each genres - Cost

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Previous: Write a query in SQL to list all the movies with title, year, date of release, movie duration, and first and last name of the director which released before 1st January 1989, and sort the result set according to release date from highest date to lowest.
Next: Write a query in SQL to find those lowest duration movies along with the year, director's name, actor's name and his/her role in that production.

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