When you model a hierarchical data structure, you often have to use self-referencing associations. Both ends of these associations are of the same type. In other words, the entity object on which the association is defined and the one the association references are of the same type. In your database, you model that using a foreign key column that references the same table’s primary key.
In this video, I want to show you Modeling self-referencing associations with Hibernate
Links mentioned:
LazyInitializationException – What it is and the best way to fix it
https://thorben-janssen.com/lazyiniti...
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