Arwiki student contribs tool

SQL

/**
Trying to calculate the contributions a specific user has done to an associated article
**/
SET @course = 63;

/**List of users in specified course**/
SELECT /**student_first_course AS course_id, student_user_id, user_id,**/ user_name
FROM arwiki_p.ep_students, arwiki_p.user WHERE student_first_course = @course
AND student_user_id = user_id;

/**List of articles in specified course**/
SELECT /* article_course_id AS cousre_id, article_user_id AS student_user_id, **/article_page_title, user_name
FROM arwiki_p.ep_articles, arwiki_p.user WHERE article_course_id = @course;
AND article_user_id = user_id
SQL

Checking query status...
