Top Architect
Apr 9, 2022 · Databases
Applying the Nested Set Model for Hierarchical Department Queries in MySQL
This article explains how to use the nested set (left‑right) model to efficiently query, count, and manipulate hierarchical department data in MySQL, providing SQL examples for retrieving descendants, ancestors, leaf detection, as well as insert, delete, and JavaScript tree‑building techniques.
MySQLNested Set ModelSQL
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