# Pastebin 6yn4vgd7

musicbrainz_db=#           select recording_mbid, a.artist_mbids, b.artist_mbids
            from mapping.mb_metadata_cache_tmp_old a
 full outer join mapping.mb_metadata_cache_tmp b
           using (recording_mbid)
           where not (a.artist_mbids <@ b.artist_mbids and a.artist_mbids @> b.artist_mbids) LIMIT 5;
 recording_mbid | artist_mbids | artist_mbids 
----------------+--------------+--------------
(0 rows)