No Unknown parameters (Infobox)

SQL

SELECT page_title, num_transclusions FROM (
  SELECT page_namespace, page_title, (
      SELECT COUNT(*)  FROM templatelinks
      WHERE tl_namespace = page_namespace AND tl_title = page_title
    ) AS num_transclusions
  FROM page
  WHERE page_namespace = 10
  AND NOT EXISTS ( 
    SELECT * FROM templatelinks 
	WHERE tl_from=page_id AND tl_namespace = 828 AND tl_title = 'Check_for_unknown_parameters'
  )
  HAVING num_transclusions > 1000  
) AS innerquery
WHERE page_is_redirect=0
	AND page_title LIKE '%Infobox%'
#ORDER BY num_transclusions DESC
LIMIT 500
SQL

Checking query status...
