I will pedantically note that in database theory, "relation" is a name for what we usually call a table. You're talking about relationships. https://en.wikiped

I will pedantically note that in database theory, "relation" is a name for what we usually call a table. You're talking about relationships. https://en.wikipedia.org/wiki/Relation_(database) https://en.wikipedia.org/wiki/Relation_(database) If your data is completely flat, and fits in one table, that's still a relation!