FROM $TBL_EXERCICES AS ce , $TBL_TRACK_EXERCICES AS te, $TBL_USER AS user,$tbl_course_rel_user AS cuser
WHERE user.user_id=cuser.user_id AND te.exe_exo_id = ce.id AND te.status != 'incomplete' AND cuser.user_id=te.exe_user_id AND te.exe_cours_id='" . Database :: escape_string($_cid) . "'
AND cuser.status<>1 $user_id_and $session_id_and AND ce.active <>-1 AND orig_lp_id = 0 AND orig_lp_item_id = 0
AND cuser.course_code=te.exe_cours_id ORDER BY users, te.exe_cours_id ASC, ce.title ASC, te.exe_date DESC";
FROM $TBL_EXERCICES AS ce , $TBL_TRACK_EXERCICES AS te, $TBL_USER AS user,$tbl_course_rel_user AS cuser
WHERE user.user_id=cuser.user_id AND te.exe_exo_id = ce.id AND te.status != 'incomplete' AND cuser.user_id=te.exe_user_id AND te.exe_cours_id='" . Database :: escape_string($_cid) . "'
$sql = "SELECT *, quiz_question.question, CONCAT(firstname,'',lastname) as full_name FROM $TBL_TRACK_ATTEMPT_RECORDING t,$TBL_USER,$TBL_EXERCICES_QUESTION quiz_question WHERE quiz_question.id = question_id AND user_id = author AND exe_id = '".(int)$_GET['exe_id']."' ORDER BY t.insert_date desc,question ASC";
$sql = "SELECT *, quiz_question.question, firstname, lastname FROM $TBL_TRACK_ATTEMPT_RECORDING t,$TBL_USER,$TBL_EXERCICES_QUESTION quiz_question WHERE quiz_question.id = question_id AND user_id = author AND exe_id = '".(int)$_GET['exe_id']."' ORDER BY t.insert_date desc,question ASC";