ARHUT-adding-a-new-dataset-tutorial.md

@@ -113,6 +113,12 @@ Example: Link `academic_works.juhendaja` to a `people` collection.
 
 ---
 
+### How to choose the most suitable relationship
+- one-to-many / many-to-one: For tables that can be arranged with a hierarchy....
+- many-to-many: where there is no hierarchy... 
+
+---
+
 ### 🔒 Permissions & Access
 
 Ensure you enable appropriate **read** and **create** permissions on both collections **and** the relational field itself in: