-- 演員表 CREATE TABLE actor (id INTEGER NOT NULL -- 演員編號(hào) , NAME VARCHAR(35) -- 演員姓名 , PRIMARY KEY (id) )DEFAULT CHARSET=utf8; CREATE INDEX actor_name ON actor(NAME); -- 電影表 CREATE TABLE movie (id INTEGER NOT NULL -- 電影編號(hào) , title VARCHAR(70) -- 電影名稱 , yr DECIMAL(4) -- 年份 , score FLOAT -- 評(píng)分 , votes INTEGER -- 票房 , director INTEGER -- 導(dǎo)演 , PRIMARY KEY (id) , FOREIGN KEY (director) REFERENCES actor(id) )DEFAULT CHARSET=utf8; CREATE INDEX movie_title ON movie(title); -- 中間表 CREATE TABLE casting ( movieid INTEGER NOT NULL -- 電影編號(hào) , actorid INTEGER NOT NULL -- 演員編號(hào) , movieord INTEGER -- 演員排名 , PRIMARY KEY (movieid, actorid) , FOREIGN KEY (movieid) REFERENCES movie(id) , FOREIGN KEY (actorid) REFERENCES actor(id) )DEFAULT CHARSET=utf8; CREATE INDEX casting_movie ON casting(movieid); CREATE INDEX casting_actor ON casting(actorid); CREATE INDEX casting_ord ON casting(movieord);-- 顯示電影id=1中演員名單 SELECT a.NAME FROM movie m,actor a,casting c WHERE c.actorid=a.id AND c.movieid=m.id AND m.id=1 SELECT a.* FROM actor a,casting c WHERE c.actorid=a.id AND c.movieid=1-- 顯示電影'Alien'中演員名單SELECT a.NAME FROM movie m,actor a,casting c WHERE c.actorid=a.id AND c.movieid=m.id AND m.title='Alien'-- 顯示有'Harrison Ford'參演的電影名稱 SELECT m.title FROM movie m,casting c,actor a WHERE c.actorid=a.id AND m.id=c.movieid AND a.NAME='Harrison Ford'-- 顯示有'Harrison Ford'參演的電影名稱，但'Harrison Ford'角色排名不是第一 SELECT m.title FROM movie m JOIN casting c ON m.id=c.movieid JOIN actor a ON c.actorid=a.id WHERE a.NAME='Harrison Ford' AND c.movieord !=1-- 顯示1962年發(fā)行的電影，及該影片的主角(排名第一) SELECT m.title, a.NAME FROM movie m,casting c,actor a WHERE c.actorid=a.id AND m.id=c.movieid AND m.yr=1962 AND c.movieord =1-- 顯示'John Travolta'每年出演的電影數(shù)量 SELECT m.yr,COUNT(m.id) FROM movie m,casting c,actor a WHERE c.actorid=a.id AND m.id=c.movieid AND a.NAME='John Travolta' GROUP BY m.yr-- 列出'Julie Andrews'參演的所有電影名稱以及該片的主角SELECT m.title,a.NAME FROM actor a,casting c ,movie m WHERE a.id=c.actorid AND m.id=c.movieid AND m.id IN (SELECT m1.id FROM casting c1,movie m1,actor a1 WHERE m1.id=c1.movieid AND a1.id=c1.actorid AND a1.NAME='Julie Andrews')AND c.movieord=1;-- 列出在10部電影中出任過(guò)主角的演員 SELECT a.NAME FROM movie m,casting c,actor a WHERE c.actorid=a.id AND m.id=c.movieid AND c.movieord =1 GROUP BY a.NAME HAVING COUNT(m.title)=10-- 按演員人數(shù)的多少依次列出1978的電影以及演員數(shù)。 SELECT m.title,COUNT(a.id) num FROM movie m,casting c,actor a WHERE c.actorid=a.id AND m.id=c.movieid AND m.yr=1978 GROUP BY m.id ORDER BY num DESC-- 列出所有和'Art Garfunkel'合作過(guò)的演員 SELECT DISTINCT a.NAME FROM movie m,casting c,actor a WHERE c.actorid=a.id AND m.id=c.movieid AND a.NAME !='Art Garfunkel' AND m.id IN (SELECT c1.movieid FROM movie m1,casting c1,actor a1 WHERE c1.actorid=a1.id AND m1.id=c1.movieid AND a1.NAME='Art Garfunkel')

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