/*SELECT page.* from eswiki_p.langlinks, eswiki_p.page 

where page_id = ll_from

    and page_namespace in (0,2)

    and not exists(select 1 from wikidatawiki_p.wb_items_per_site wip where wip.ips_item_id = page_id and wip.ips_site_id = 'eswiki')

limit 50;

*/

select * from wikidatawiki_p.wb_items_per_site where ips_site_id = 'eswiki' limit 10;

select * from wikidatawiki_p.page where page_id = 404000