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What if two rows use the same prev_playlist_member_id?
by topicseed 4y ago
What if two rows use the same prev_playlist_member_id?
- forrest2 4y agoYou make that impossible with application logic or constraints. Just like any linked list, you need to update the other pointers Example constraint would be a unique index for the Playlist member table on the combination of Playlist id and previous Playlist member ID.