I'm adding a table and subclass table to my DB. (Subclass table = table where the primary key joins to the primary key of another table, to give extra row information to some subset of the rows ...

In summary, primary keys and foreign keys in SQL, when viewed through the lens of Fortnite, illustrate the importance of unique identifiers and collaborative relationships within a database.

When working on a multidimensional design, every fact table within scope should be handled with care. In an ideal world, each low-level fact table represents the metrics related to a business event.