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-- Enter Query Title -- Enter Query Description --select pt.PostId, p.Title, COUNT(p.Tags) as TagsCount from PostTags pt --inner join Posts p on pt.PostId = p.Id --where pt.TagId=131229 --group by p.Tags, pt.PostId, p.Title select pt.PostId from PostTags pt inner join Posts p on pt.PostId = p.Id inner join Tags t on pt.TagId = t.Id where p.Id in (SELECT pt.PostId from PostTags pt WHERE pt.TagId=1386) AND p.Id in (SELECT pt.PostId from PostTags pt WHERE pt.TagId=17) GROUP BY p.title, pt.PostId -- SELECT Id, TagName FROM Tags WHERE TagName = 'android' or TagName = 'kotlin' or TagName = 'java'