title: Cakephp 3 - Convert sql query to cakephp find
body: <p>I'm new to <strong>CakePHP 3..</strong> and don't really know how to convert this <em>SQL query -> CakePHP</em> find thinghy.</p>
  
  <pre><code> SELECT categories_competences_cvs.cv_id, 
                               categories_competences_vacancies.vacancy_id
       FROM categories_competences
       INNER JOIN categories_competences_cvs ON 
         categories_competences.id = 
                          categories_competences_cvs.categories_competence_id
       INNER JOIN categories_competences_vacancies ON 
         categories_competences_cvs.categories_competence_id = 
                          categories_competences_vacancies.categories_competence_id
       INNER JOIN categories ON 
         categories_competences.category_id = categories.id
  </code></pre>