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Jul 19th, 2018
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MySQL 0.22 KB | None | 0 0
  1. SELECT cu.id FROM `crawl_urls` cu WHERE EXISTS (select 1 from crawl_url_emails where crawl_url_id = cu.id);
  2. SELECT count(cu.id) FROM `crawl_urls` cu WHERE EXISTS (select 1 from crawl_url_emails where crawl_url_id = cu.id);
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