https://stultus.in/notes/tags/databases/Recent content in Databases on stultus notesHugoen-usHrishikesh Bhaskaran ♥Mon, 26 Oct 2026 03:00:00 +0530https://stultus.in/notes/modified-preorder-tree-traversal/Mon, 26 Oct 2026 03:00:00 +0530https://stultus.in/notes/modified-preorder-tree-traversal/MPTT numbers a tree with entry/exit boundaries during a depth-first walk, so branch, ancestor and count queries become simple interval comparisons, at the cost of more expensive structural changes.