SQL
AخA
use eswiki_p;
select distinct pg.page_title, rev.rev_timestamp, pg.page_len
from revision rev
left join page pg
on page_id = rev_page
where pg.page_namespace = 2
and pg.page_title like '%/Taller'
and rev.rev_id = (select max(rev2.rev_id) from revision rev2 where rev.rev_page = rev2.rev_page)
and rev.rev_timestamp < '20150531000000'
order by 2 desc
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