SQL exercises on movie Database: Generate a report which contain the columns movie title, name of the female actor, year of the movie, role, movie genres, the director, date of release, and rating of that movie
SQL movie Database: Join Exercise-24 with Solution
24. From the following tables, write a query in SQL to generate a report, which contain the fields movie title, name of the female actor, year of the movie, role, movie genres, the director, date of release, and rating of that movie.
Sample table: movie
mov_id | mov_title | mov_year | mov_time | mov_lang | mov_dt_rel | mov_rel_country
--------+----------------------------------------------------+----------+----------+-----------------+------------+-----------------
901 | Vertigo | 1958 | 128 | English | 1958-08-24 | UK
902 | The Innocents | 1961 | 100 | English | 1962-02-19 | SW
903 | Lawrence of Arabia | 1962 | 216 | English | 1962-12-11 | UK
904 | The Deer Hunter | 1978 | 183 | English | 1979-03-08 | UK
905 | Amadeus | 1984 | 160 | English | 1985-01-07 | UK
906 | Blade Runner | 1982 | 117 | English | 1982-09-09 | UK
907 | Eyes Wide Shut | 1999 | 159 | English | | UK
908 | The Usual Suspects | 1995 | 106 | English | 1995-08-25 | UK
909 | Chinatown | 1974 | 130 | English | 1974-08-09 | UK
910 | Boogie Nights | 1997 | 155 | English | 1998-02-16 | UK
911 | Annie Hall | 1977 | 93 | English | 1977-04-20 | USA
912 | Princess Mononoke | 1997 | 134 | Japanese | 2001-10-19 | UK
913 | The Shawshank Redemption | 1994 | 142 | English | 1995-02-17 | UK
914 | American Beauty | 1999 | 122 | English | | UK
915 | Titanic | 1997 | 194 | English | 1998-01-23 | UK
916 | Good Will Hunting | 1997 | 126 | English | 1998-06-03 | UK
917 | Deliverance | 1972 | 109 | English | 1982-10-05 | UK
918 | Trainspotting | 1996 | 94 | English | 1996-02-23 | UK
919 | The Prestige | 2006 | 130 | English | 2006-11-10 | UK
920 | Donnie Darko | 2001 | 113 | English | | UK
921 | Slumdog Millionaire | 2008 | 120 | English | 2009-01-09 | UK
922 | Aliens | 1986 | 137 | English | 1986-08-29 | UK
923 | Beyond the Sea | 2004 | 118 | English | 2004-11-26 | UK
924 | Avatar | 2009 | 162 | English | 2009-12-17 | UK
926 | Seven Samurai | 1954 | 207 | Japanese | 1954-04-26 | JP
927 | Spirited Away | 2001 | 125 | Japanese | 2003-09-12 | UK
928 | Back to the Future | 1985 | 116 | English | 1985-12-04 | UK
925 | Braveheart | 1995 | 178 | English | 1995-09-08 | UK
Sample table: genres
gen_id | gen_title --------+---------------------- 1001 | Action 1002 | Adventure 1003 | Animation 1004 | Biography 1005 | Comedy 1006 | Crime 1007 | Drama 1008 | Horror 1009 | Music 1010 | Mystery 1011 | Romance 1012 | Thriller 1013 | War
Sample table: movie_genres
mov_id | gen_id
--------+--------
922 | 1001
917 | 1002
903 | 1002
912 | 1003
911 | 1005
908 | 1006
913 | 1006
926 | 1007
928 | 1007
918 | 1007
921 | 1007
902 | 1008
923 | 1009
907 | 1010
927 | 1010
901 | 1010
914 | 1011
906 | 1012
904 | 1013
Sample table: rating
mov_id | rev_id | rev_stars | num_o_ratings
--------+--------+-----------+---------------
901 | 9001 | 8.40 | 263575
902 | 9002 | 7.90 | 20207
903 | 9003 | 8.30 | 202778
906 | 9005 | 8.20 | 484746
924 | 9006 | 7.30 |
908 | 9007 | 8.60 | 779489
909 | 9008 | | 227235
910 | 9009 | 3.00 | 195961
911 | 9010 | 8.10 | 203875
912 | 9011 | 8.40 |
914 | 9013 | 7.00 | 862618
915 | 9001 | 7.70 | 830095
916 | 9014 | 4.00 | 642132
925 | 9015 | 7.70 | 81328
918 | 9016 | | 580301
920 | 9017 | 8.10 | 609451
921 | 9018 | 8.00 | 667758
922 | 9019 | 8.40 | 511613
923 | 9020 | 6.70 | 13091
Sample table: actor
act_id | act_fname | act_lname | act_gender
--------+----------------------+----------------------+------------
101 | James | Stewart | M
102 | Deborah | Kerr | F
103 | Peter | OToole | M
104 | Robert | De Niro | M
105 | F. Murray | Abraham | M
106 | Harrison | Ford | M
107 | Nicole | Kidman | F
108 | Stephen | Baldwin | M
109 | Jack | Nicholson | M
110 | Mark | Wahlberg | M
111 | Woody | Allen | M
112 | Claire | Danes | F
113 | Tim | Robbins | M
114 | Kevin | Spacey | M
115 | Kate | Winslet | F
116 | Robin | Williams | M
117 | Jon | Voight | M
118 | Ewan | McGregor | M
119 | Christian | Bale | M
120 | Maggie | Gyllenhaal | F
121 | Dev | Patel | M
122 | Sigourney | Weaver | F
123 | David | Aston | M
124 | Ali | Astin | F
Sample table: director
dir_id | dir_fname | dir_lname
--------+----------------------+----------------------
201 | Alfred | Hitchcock
202 | Jack | Clayton
203 | David | Lean
204 | Michael | Cimino
205 | Milos | Forman
206 | Ridley | Scott
207 | Stanley | Kubrick
208 | Bryan | Singer
209 | Roman | Polanski
210 | Paul | Thomas Anderson
211 | Woody | Allen
212 | Hayao | Miyazaki
213 | Frank | Darabont
214 | Sam | Mendes
215 | James | Cameron
216 | Gus | Van Sant
217 | John | Boorman
218 | Danny | Boyle
219 | Christopher | Nolan
220 | Richard | Kelly
221 | Kevin | Spacey
222 | Andrei | Tarkovsky
223 | Peter | Jackson
Sample table: movie_direction
dir_id | mov_id
--------+--------
201 | 901
202 | 902
203 | 903
204 | 904
205 | 905
206 | 906
207 | 907
208 | 908
209 | 909
210 | 910
211 | 911
212 | 912
213 | 913
214 | 914
215 | 915
216 | 916
217 | 917
218 | 918
219 | 919
220 | 920
218 | 921
215 | 922
221 | 923
Sample table: movie_cast
act_id | mov_id | role
--------+--------+--------------------------------
101 | 901 | John Scottie Ferguson
102 | 902 | Miss Giddens
103 | 903 | T.E. Lawrence
104 | 904 | Michael
105 | 905 | Antonio Salieri
106 | 906 | Rick Deckard
107 | 907 | Alice Harford
108 | 908 | McManus
110 | 910 | Eddie Adams
111 | 911 | Alvy Singer
112 | 912 | San
113 | 913 | Andy Dufresne
114 | 914 | Lester Burnham
115 | 915 | Rose DeWitt Bukater
116 | 916 | Sean Maguire
117 | 917 | Ed
118 | 918 | Renton
120 | 920 | Elizabeth Darko
121 | 921 | Older Jamal
122 | 922 | Ripley
114 | 923 | Bobby Darin
109 | 909 | J.J. Gittes
119 | 919 | Alfred Borden
Sample Solution:
-- Selecting various columns from multiple tables: movie, movie_cast, actor, movie_genres, genres, movie_direction, director, and rating
SELECT mov_title, act_fname, act_lname,
mov_year, role, gen_title, dir_fname, dir_lname,
mov_dt_rel, rev_stars
-- Performing natural joins between the movie, movie_cast, actor, movie_genres, genres, movie_direction, director, and rating tables
FROM movie
NATURAL JOIN movie_cast
NATURAL JOIN actor
NATURAL JOIN movie_genres
NATURAL JOIN genres
NATURAL JOIN movie_direction
NATURAL JOIN director
NATURAL JOIN rating
-- Filtering the result to include only records where act_gender is 'F'
WHERE act_gender='F';
Sample Output:
mov_title | act_fname | act_lname | mov_year | role | gen_title | dir_fname | dir_lname | mov_dt_rel | rev_stars
----------------------------------------------------+----------------------+----------------------+----------+--------------------------------+----------------------+----------------------+----------------------+------------+-----------
The Innocents | Deborah | Kerr | 1961 | Miss Giddens | Horror | Jack | Clayton | 1962-02-19 | 7.90
Princess Mononoke | Claire | Danes | 1997 | San | Animation | Hayao | Miyazaki | 2001-10-19 | 8.40
Aliens | Sigourney | Weaver | 1986 | Ripley | Action | James | Cameron | 1986-08-29 | 8.40
(3 rows)
Code Explanation :
The said query in SQL that retrieves the title, year, release date, and rating of movies, as well as the first and last name of the actresses who played a role in the movie, the genres of the movie, and the first and last name of the director of the movie.
1. The NATURAL JOIN clause joins the movie_cast table to the movie table based on matching column names in the two tables.
2. The actor table joined to the result of the previous join step 1. 3. The movie_genres table joined to the result of the previous join step 2.
4. The genres table joined to the result of the previous join step 3.
5. The movie_direction table joined to the result of the previous join step 4.
6. The director table joined to the result of the previous join step 5.
7. The rating table joined to the result of the previous join step 6.
The WHERE clause filter the result, where only actors with a gender of 'F' will be included in the result set.
Alternative Solutions:
Using Subquery with EXISTS:
SELECT mov_title, act_fname, act_lname,
mov_year, role, gen_title, dir_fname, dir_lname,
mov_dt_rel, rev_stars
FROM movie
JOIN movie_cast ON movie.mov_id = movie_cast.mov_id
JOIN actor ON movie_cast.act_id = actor.act_id
JOIN movie_genres ON movie.mov_id = movie_genres.mov_id
JOIN genres ON movie_genres.gen_id = genres.gen_id
JOIN movie_direction ON movie.mov_id = movie_direction.mov_id
JOIN director ON movie_direction.dir_id = director.dir_id
JOIN rating ON movie.mov_id = rating.mov_id
WHERE EXISTS (
SELECT 1
FROM actor
WHERE actor.act_id = movie_cast.act_id
AND actor.act_gender = 'F'
);
Explanation:
This SQL query uses a subquery with EXISTS to check if there exists an actor with gender 'F' who is part of the cast. If such an actor exists, the main query includes the corresponding movie details.
Using INNER JOINs with Subquery:
SELECT mov_title, act_fname, act_lname,
mov_year, role, gen_title, dir_fname, dir_lname,
mov_dt_rel, rev_stars
FROM movie
JOIN movie_cast ON movie.mov_id = movie_cast.mov_id
JOIN actor ON movie_cast.act_id = actor.act_id
JOIN movie_genres ON movie.mov_id = movie_genres.mov_id
JOIN genres ON movie_genres.gen_id = genres.gen_id
JOIN movie_direction ON movie.mov_id = movie_direction.mov_id
JOIN director ON movie_direction.dir_id = director.dir_id
JOIN rating ON movie.mov_id = rating.mov_id
WHERE actor.act_gender = 'F';
Explanation:
This SQL query combines INNER JOINs with a WHERE clause to directly filter for actors with gender 'F'.
Relational Algebra Expression:
Relational Algebra Tree:
Practice Online
Query Visualization:
Duration:
Rows:
Cost:
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