Entity Framework Core - Knowledge Base (KB)

EF6 Code First Entity with navigation property collection of same type - how do I tell EF what the relationship is?

I dont quite understand EF so please bear with me as I try to trudge through my ignorance and confusion. I have one restriction, I cannot change the database structure....TBLGRADES...GRADEID GUID (PK) | GRADETITLE VARCHAR --------------...

EF Core one to many to many to one relationship

I've worked with databases for a long time now but am new to Entity Framework. I handle both the aspects of programming and database development. As a db developer, I try to keep it clean so this structure that I came up with works well for me but I'm not...