Untitled query #38249

This query is marked as a draft This query has been published by RyanSteinberg.

SQL

SET
  @domain_regex = '^([^:/?#]+:)?(\/+([^/?#]*))?([^\?#]*)\?.*';
select
  LOWER(REGEXP_REPLACE(el_to, @domain_regex, '\\3')) as B,
  REGEXP_REPLACE(CONVERT(el_to USING utf8), @domain_regex, '\\3') as hostname,
  count(distinct el_from, el_to) as num_links
from
  externallinks
where
  LOWER(REGEXP_REPLACE(el_to, @domain_regex, '\\3')) != REGEXP_REPLACE(CONVERT(el_to USING utf8), @domain_regex, '\\3')
group by
  hostname
order by
  num_links desc;

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SQL

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