mysql get table based on common column between two tables

Posted by Zentdayn on Stack Overflow See other posts from Stack Overflow or by Zentdayn
Published on 2012-09-02T21:32:57Z Indexed on 2012/09/02 21:38 UTC
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while trying to learn sql i came across "Learn SQL The Hard Way" and i started reading it. Everything was going fine then i thought ,as a way to practice, to make something like given example in the book (example consists in 3 tables pet,person,person_pet and the person_pet table 'links' pets to their owners).

I made this:

report table
+----+-------------+
| id | content     |
+----+-------------+
|  1 | bank robbery|
|  2 | invalid     |
|  3 | cat on tree |
+----+-------------+
notes table
+-----------+--------------------+
| report_id | content            |
+-----------+--------------------+
|  1        | they had guns      |
|  3        | cat was saved      |
+-----------+--------------------+

wanted result
+-----------+--------------------+---------------+
| report_id | report_content     | report_notes  |
+-----------+--------------------+---------------+
|  1        | bank robbery       | they had guns |
|  2        | invalid            | null or ''    |
|  3        | cat on tree        | cat was saved |
+-----------+--------------------+---------------+

I tried a few combinations but no success.

My first thought was

SELECT report.id,report.content AS report_content,note.content AS note_content
FROM report,note
WHERE report.id = note.report_id

but this only returns the ones that have a match (would not return the invalid report). after this i tried adding IF conditions but i just made it worse.

My question is, is this something i will figure out after getting past basic sql or can this be done in simple way?

Anyway i would appreciate any help, i pretty much lost with this.

Thank you.

EDIT: i have looked into related questions but havent yet found one that solves my problem. I probably need to look into other statements such as join or something to sort this out.

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