Fork of Find files in a category used on a particular wiki by Bjh21
This query is marked as a draft This query has been published by Bjh21.

SQL

AخA
 
select substr(cl_sortkey, 1, 6) as block, count(distinct cl_sortkey_prefix) from categorylinks
where cl_to = 'Images_from_Geograph_Britain_and_Ireland'
  and cl_type = 'file'
  AND cl_sortkey between ' 01770000' and ' 01820000' group by block;
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