Christian Kerth wrote:
> Hey i have the following SQL Database Structure:
> 
> |books|
> ------
> id
> author
> 
> |books_languages|
> ----------------
> book_id
> language_id
> book_title
> 
> |languages|
> -----------
> languages_id
> langcode
> 
> I have ActiveRecord set up with has_many through and it sheems to work.
> 
> But how do i query the book_title of a certain book???
> 
> e.g. input is the id of a book and i want the corresponding title

These are the correct tables:

|books|
------
id
author

|books_languages|
----------------
book_id
language_id
book_title

|languages|
-----------
id
langcode

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