Sql get all children of a parent. Another example of hierarchical data is the manager-em...

Sql get all children of a parent. Another example of hierarchical data is the manager-employee relationship. Dec 10, 2010 · I was building an "interim step table" while converting a million row "Adjacency List" (Parent/Child model) to a "Hierarchical Path" model as an interim step to creating a "Nested Set" model. In this article, we’ll address that question, explain query classification, and demonstrate to you how to select records by multiple children attributes. Please correct me if I use PostgreSQL specific syntax. But I think this question should be standard SQL. My table is as follows: I want to select with single query every row from Parents table and for each one single row from Childs table with relation "parent"-"id" value and the greatest "feature" column value. 1 and 2) and I want to find all their children, grandchildren etc. How to get all children of a parent and then their children using recursion in query Asked 13 years, 2 months ago Modified 7 years, 8 months ago Viewed 42k times Sep 28, 2010 · Parent-to-Child is a many:many relationship, implemented through a standard cross-referencing table. (in this case: 4, 5, 6, 8, 9, 11). Dec 29, 2025 · Learn SQL parent child query styles with joins, recursive CTEs and window functions to keep hierarchical data readable in a single result set. zma cco sfgb czwf tprs yjqas cpyj xfyt upe mcknl