Q&A for music historians, critics, and fans
SELECT COUNT(*) AS aantal, HasYouTube, PostType FROM ( SELECT p.Id AS PostId, CASE WHEN p.body LIKE '%youtube.com%' OR p.body LIKE '%youtu.be%' OR p.body LIKE '%soundcloud.com%' THEN 1 ELSE 0 END AS HasYouTube, pt.name AS PostType FROM Posts p LEFT JOIN PostTypes pt ON pt.id = p.PostTypeId ) pp GROUP BY HasYouTube, PostType ORDER BY PostType, HasYouTube DESC