SELECT _articles.*, _prix.* FROM _articles INNER JOIN _prix ON _articles.id_article = _prix.id_article INNER JOIN _categories ON _articles.id_article = _categories.id_article LEFT OUTER JOIN _articles_forcingVEL AFVL ON AFVL.id_article = _articles.id_article WHERE (AFVL.actif = 1 AND AFVL.PTTC > 0 ) AND _categories.id_categorieA = '1600' AND _categories.id_categorieB = '1621' GROUP BY _articles.id_article ORDER BY reference ASC LIMIT 0, 9