Top human editors,pagewise based on talk page category

SQL

# Unique human editors and their total edits for a list of articles specified by category, excluding few as may be
SET @pmonthbegin=DATE_FORMAT(CURDATE() - INTERVAL 1 MONTH,'%Y-%m-01'),
 @nmonthbegin=DATE_FORMAT(CURDATE() , '%Y-%m-01');

SELECT page_title,
       user_name,
       COUNT(*) as Edits
from page
JOIN revision      ON page_id = rev_page
JOIN actor      ON rev_actor = actor_id
JOIN user   ON user_id =actor_user
where   rev_actor != 0 AND page_namespace=0
AND LEFT(rev_timestamp,8)  >= REPLACE(@pmonthbegin,"-","")AND LEFT(rev_timestamp,8)  < REPLACE(@nmonthbegin,"-","")
AND NOT (user_name LIKE '%AWB%' OR user_name  LIKE '%Bot%' OR user_name LIKE'%bot%' OR  user_name LIKE '%BOT%' OR user_name ='CommonsDelinker')
AND  page.page_title IN
  (SELECT page_title
  FROM page
  JOIN categorylinks ON cl_from = page_id  AND cl_to="WikiProject_Andhra_Pradesh_articles" AND cl_type="page")
GROUP BY page_title,user_name
HAVING Edits >4
ORDER BY page_title ASC, Edits DESC, user_name ASC
LIMIT 500;
SQL

Checking query status...
