That article mentions "modified preorder tree traversal" but the link is broken. Is that technique essentially the same as nested sets? [https://bobbyjack.mediu

That article mentions "modified preorder tree traversal" but the link is broken. Is that technique essentially the same as nested sets? [https://bobbyjack.medium.com/storing-deep-hierarchies-in-a-database-153c77f66756 https://bobbyjack.medium.com/storing-deep-hierarchies-in-a-d...]