For a given grouping, LISTAGG orders data within each group specified in the ORDER BY clause and then concatenates the values into a string using the delimiter specified. A common problem people hi…| Paulzip's Oracle Blog
Easily query hierarchical data in Oracle databases using SQL.| oracle-base.com
This articles gives an overview of how to query hierarchical data in Oracle databases using recursive subquery factoring.| oracle-base.com
This post echoes one of my previous work on the topic, this time applied to JSON data. The idea is to build a user-defined aggregate function to automatically nest a hierarchically-ordered set of J…| Odie's Oracle Blog