If a navigation property needs to hold a reference to more than one entity, such in the case of a one-to-many relationsh

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If a navigation property needs to hold a reference to more thanone entity, such in the case of a one-to-many relationship, whatdata type structure is used by EF Core?What is the database term used for the field on the many sideof a one-to-many relationship?When creating the Grade propery in the Enrollent entity, whatdoes the question mark signify?What does scaffolding a model produce?List the new files that were added to the application afterscaffolding the student model.List the files that were changed as a result of scaffolding thestudent model.