SELECT id, filename FROM files f
WHERE NOT EXISTS (SELECT 1 FROM binaries b WHERE b.file = f.id)
AND NOT EXISTS (SELECT 1 FROM dsc_files df WHERE df.file = f.id)
SELECT id, filename FROM files f
WHERE NOT EXISTS (SELECT 1 FROM binaries b WHERE b.file = f.id)
AND NOT EXISTS (SELECT 1 FROM dsc_files df WHERE df.file = f.id)