GitHub - efcore/EFCore.SqlServer.HierarchyId: Adds hierarchyid support to the SQL Server EF Core provider
![SQL SERVER - Introduction to Hierarchical Query using a Recursive CTE - A Primer - SQL Authority with Pinal Dave SQL SERVER - Introduction to Hierarchical Query using a Recursive CTE - A Primer - SQL Authority with Pinal Dave](https://blog.sqlauthority.com/i/b/j2p-day2-image-1.png)
SQL SERVER - Introduction to Hierarchical Query using a Recursive CTE - A Primer - SQL Authority with Pinal Dave
![tsql - Using SQL server hierarchyid how to aggregate leaf node values at ancestor level - Stack Overflow tsql - Using SQL server hierarchyid how to aggregate leaf node values at ancestor level - Stack Overflow](https://i.stack.imgur.com/igFHY.png)
tsql - Using SQL server hierarchyid how to aggregate leaf node values at ancestor level - Stack Overflow
![SQL SERVER - Introduction to Hierarchical Query using a Recursive CTE - A Primer - SQL Authority with Pinal Dave SQL SERVER - Introduction to Hierarchical Query using a Recursive CTE - A Primer - SQL Authority with Pinal Dave](https://blog.sqlauthority.com/i/b/j2p-day2-image-3.png)