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@@ -632,11 +632,13 @@ $result =api_sql_query($query, __FILE__, __LINE__);
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$i_answer_position = $a_answers['position'];
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$sql_user_answer = 'SELECT answers.answer
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- FROM '.$TBL_TRACK_ATTEMPT.' as track_e_attempt, '.$table_ans.' as answers
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- WHERE track_e_attempt.answer=answers.position
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- AND track_e_attempt.position="'.$i_answer_position.'"
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- AND answers.question_id ="'.$questionId.'"
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- AND exe_id = "'.$id.'"';
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+ FROM '.$table_ans.' as answers
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+ INNER JOIN '.$TBL_TRACK_ATTEMPT.' as track_e_attempt
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+ ON track_e_attempt.answer=answers.position
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+ AND track_e_attempt.position="'.$i_answer_position.'"
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+ AND exe_id = "'.$id.'"
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+ WHERE answers.question_id ="'.$questionId.'"
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+ AND correct=0';
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$res_user_answer = api_sql_query($sql_user_answer, __FILE__, __LINE__);
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$s_user_answer = mysql_result($res_user_answer,0,0);
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