IALs editors that also edit in other IALs.

SQL

SELECT * FROM
( 
  	SELECT 		simple_rev.rev_user AS User_ID, COUNT(simple_rev.rev_user) AS Contributions_in_Simple_English
  	FROM 		simplewiki_p.revision AS simple_rev
  	GROUP BY 	User_ID
) AS Simple_English
LEFT OUTER JOIN
( 
	SELECT 		eo_rev.rev_user AS User_ID, COUNT(eo_rev.rev_user) AS Contributions_in_Esperanto
	FROM 		eowiki_p.revision AS eo_rev
  	GROUP BY 	User_ID
) AS Esperanto USING (User_ID)
LEFT OUTER JOIN
( 
  	SELECT 		io_rev.rev_user AS User_ID, COUNT(io_rev.rev_user) AS Contributions_in_Ido
  	FROM 		iowiki_p.revision AS io_rev
  	GROUP BY 	User_ID
) AS Ido USING (User_ID)
LEFT OUTER JOIN
( 
  	SELECT 		ia_rev.rev_user AS User_ID, COUNT(ia_rev.rev_user) AS Contributions_in_Interlingua
  	FROM 		iawiki_p.revision AS ia_rev
  	GROUP BY 	User_ID
) AS Interlingua USING (User_ID)
LEFT OUTER JOIN
( 
  	SELECT 		nov_rev.rev_user AS User_ID, COUNT(nov_rev.rev_user) AS Contributions_in_Novial
  	FROM 		novwiki_p.revision AS nov_rev
  	GROUP BY 	User_ID
) AS Novial USING (User_ID)
LEFT OUTER JOIN
( 
  	SELECT 		ie_rev.rev_user AS User_ID, COUNT(ie_rev.rev_user) AS Contributions_in_Interlingue
  	FROM 		iewiki_p.revision AS ie_rev
  	GROUP BY 	User_ID
) AS Interlingue USING (User_ID)
LEFT OUTER JOIN
( 
  	SELECT 		vo_rev.rev_user AS User_ID, COUNT(vo_rev.rev_user) AS Contributions_in_Volapük
  	FROM 		vowiki_p.revision AS vo_rev
  	GROUP BY 	User_ID
) AS Volapük USING (User_ID)
LEFT OUTER JOIN
( 
  	SELECT 		en_rev.rev_user AS User_ID, COUNT(en_rev.rev_user) AS Contributions_in_English
  	FROM 		enwiki_p.revision AS en_rev
  	GROUP BY 	User_ID
) AS English USING (User_ID);
SQL

Checking query status...
