Составление запросов sql в модулях, чем и как?

 
cms_forum_threads t INNER JOIN cms_forums f ON t.forum_id = f.id, t.id = 1, t.id, t.title, t.description, f.title AS forum, f.id AS fid
 

 
SELECT
    `cms_clubs`.`description`
    , `cms_board_items`.`category_id`
    , `cms_blog_cats`.`title`
FROM
    `cms_blog_cats`
    INNER JOIN `cms_clubs` 
        ON (`cms_blog_cats`.`blog_id` = `cms_clubs`.`admin_id`)
    INNER JOIN `cms_board_items` 
        ON (`cms_blog_cats`.`id` = `cms_board_items`.`user_id`);