There are various options on how to save hierarchical data in SQL Server. This article is an overview of them demonstrating their usage on a simple dataset of employees and their managers. I will extend this article when a new option will be available or if you will advise it…
There isn’t built-in support for working with hierarchies in the SQL Server except for the hierarchyid data type. This means that we should solve most of the hierarchical data processing tasks using the old-school portfolio of standard T-SQL language. One of these tasks is a simple conversion of hierarchical paths…