How to join multiple queries

Problem :

I want to list producers information who produce CD of a particular artist released in a particular year.

My attempt:

$sql="SELECT * FROM producer, cd WHERE name = name and year= year JOIN SELECT * FROM cd, song WHERE  artist = '$_POST[artist]' AND cd.title ='$_POST[title]'"; 
while ( $row = mysqli_fetch_array($data)) {

Here's the error I'm getting:

Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'JOIN SELECT * FROM cd, song WHERE artist = '' AND cd.title =''' at line 1

How am I joining the two queries incorrectly?

Solution :

Try this instead:

FROM producer AS p 
INNER JOIN cd        ON  = AND cd.year= p.year 
INNER JOIN song AS s ON cd.title = s.title
WHERE s.artist = '$_POST[artist]' 
  AND cd.title ='$_POST[title]';

You should put all the referenced tables after the FROM clause with the JOIN 1:

enter image description here

Where the table reference can be 2:

enter image description here

To put a SELECT or a subquery instead of the table, like this:

FROM producer AS p 
    -- here is another select
) AS analias ON -- jon conditino

1, 2: Images from: SQL Queries for Mere Mortals(R): A Hands-On Guide to Data Manipulation in SQL

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