mysql implicit join+ subquery
I'm meant to use an implicit join to get all the movies with angelina jolie as director or were she stars here's what I have so far
SELECT DISTINCT title, relYear
FROM actor,movie
WHERE director ='Angelina Jolie' OR aID in (SELECT aID
FROM actor
WHERE fName='Angelina' and surname='Jolie'
Here are the relevant tables
movie(id, title, relYear, category, runTime, director,
studioName, description, rating)
actor(aID, fName, surname, gender)
stars(movieID, actorID)
movGenre(movieID, genre)
This returns all of the movies , I think that's because of aID in (SELECT aID
I don't know how to do this without using explicit join on three tables is the subquery even the most efficient approach ? Thanks
mysql subquery implicit
asked Nov 23 '18 at 14:34
sarahwert
32
add a comment |
I'm meant to use an implicit join to get all the movies with angelina jolie as director or were she stars here's what I have so far
SELECT DISTINCT title, relYear
FROM actor,movie
WHERE director ='Angelina Jolie' OR aID in (SELECT aID
FROM actor
WHERE fName='Angelina' and surname='Jolie'
Here are the relevant tables
movie(id, title, relYear, category, runTime, director,
studioName, description, rating)
actor(aID, fName, surname, gender)
stars(movieID, actorID)
movGenre(movieID, genre)
This returns all of the movies , I think that's because of aID in (SELECT aID
I don't know how to do this without using explicit join on three tables is the subquery even the most efficient approach ? Thanks
mysql subquery implicit
asked Nov 23 '18 at 14:34
sarahwert
32
Which college/university teaches still teaches and insist implicit joins ? They should upgrade the coursework and switch to modern approaches.
– Madhur Bhaiya
Nov 23 '18 at 14:39
add a comment |
I'm meant to use an implicit join to get all the movies with angelina jolie as director or were she stars here's what I have so far
SELECT DISTINCT title, relYear
FROM actor,movie
WHERE director ='Angelina Jolie' OR aID in (SELECT aID
FROM actor
WHERE fName='Angelina' and surname='Jolie'
Here are the relevant tables
movie(id, title, relYear, category, runTime, director,
studioName, description, rating)
actor(aID, fName, surname, gender)
stars(movieID, actorID)
movGenre(movieID, genre)
This returns all of the movies , I think that's because of aID in (SELECT aID
I don't know how to do this without using explicit join on three tables is the subquery even the most efficient approach ? Thanks
mysql subquery implicit
asked Nov 23 '18 at 14:34
sarahwert
32
I'm meant to use an implicit join to get all the movies with angelina jolie as director or were she stars here's what I have so far
SELECT DISTINCT title, relYear
FROM actor,movie
WHERE director ='Angelina Jolie' OR aID in (SELECT aID
FROM actor
WHERE fName='Angelina' and surname='Jolie'
Here are the relevant tables
movie(id, title, relYear, category, runTime, director,
studioName, description, rating)
actor(aID, fName, surname, gender)
stars(movieID, actorID)
movGenre(movieID, genre)
This returns all of the movies , I think that's because of aID in (SELECT aID
I don't know how to do this without using explicit join on three tables is the subquery even the most efficient approach ? Thanks
mysql subquery implicit
mysql subquery implicit
asked Nov 23 '18 at 14:34
sarahwert
32
asked Nov 23 '18 at 14:34
sarahwert
32
asked Nov 23 '18 at 14:34
sarahwert
32
asked Nov 23 '18 at 14:34
sarahwert
32
asked Nov 23 '18 at 14:34
sarahwert
32
32
Which college/university teaches still teaches and insist implicit joins ? They should upgrade the coursework and switch to modern approaches.
– Madhur Bhaiya
Nov 23 '18 at 14:39
add a comment |
Which college/university teaches still teaches and insist implicit joins ? They should upgrade the coursework and switch to modern approaches.
– Madhur Bhaiya
Nov 23 '18 at 14:39
Which college/university teaches still teaches and insist implicit joins ? They should upgrade the coursework and switch to modern approaches.
– Madhur Bhaiya
Nov 23 '18 at 14:39
Which college/university teaches still teaches and insist implicit joins ? They should upgrade the coursework and switch to modern approaches.
– Madhur Bhaiya
Nov 23 '18 at 14:39
add a comment |
1 Answer
1
active
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votes
This is what I would do on MSSQL. Think it should work on MySql.
Select title, relYear FROM movie WHERE director = 'Angelina Jolie' OR id IN
(SELECT movieId FROM stars inner join actor ON stars.actorId = actor.aID WHERE
actor.fName = 'Angelina' AND surname = 'Jolie')
answered Nov 23 '18 at 14:42
Marc Hägele
1908
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
This is what I would do on MSSQL. Think it should work on MySql.
Select title, relYear FROM movie WHERE director = 'Angelina Jolie' OR id IN
(SELECT movieId FROM stars inner join actor ON stars.actorId = actor.aID WHERE
actor.fName = 'Angelina' AND surname = 'Jolie')
answered Nov 23 '18 at 14:42
Marc Hägele
1908
add a comment |
This is what I would do on MSSQL. Think it should work on MySql.
Select title, relYear FROM movie WHERE director = 'Angelina Jolie' OR id IN
(SELECT movieId FROM stars inner join actor ON stars.actorId = actor.aID WHERE
actor.fName = 'Angelina' AND surname = 'Jolie')
answered Nov 23 '18 at 14:42
Marc Hägele
1908
add a comment |
This is what I would do on MSSQL. Think it should work on MySql.
Select title, relYear FROM movie WHERE director = 'Angelina Jolie' OR id IN
(SELECT movieId FROM stars inner join actor ON stars.actorId = actor.aID WHERE
actor.fName = 'Angelina' AND surname = 'Jolie')
answered Nov 23 '18 at 14:42
Marc Hägele
1908
This is what I would do on MSSQL. Think it should work on MySql.
Select title, relYear FROM movie WHERE director = 'Angelina Jolie' OR id IN
(SELECT movieId FROM stars inner join actor ON stars.actorId = actor.aID WHERE
actor.fName = 'Angelina' AND surname = 'Jolie')
answered Nov 23 '18 at 14:42
Marc Hägele
1908
answered Nov 23 '18 at 14:42
Marc Hägele
1908
answered Nov 23 '18 at 14:42
Marc Hägele
1908
answered Nov 23 '18 at 14:42
Marc Hägele
1908
1908
add a comment |
add a comment |
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Which college/university teaches still teaches and insist implicit joins ? They should upgrade the coursework and switch to modern approaches.
– Madhur Bhaiya
Nov 23 '18 at 14:39