store table lists all stores in the
system. All inventory is assigned to specific stores, and
staff and customers are assigned a “home store”.
store_id: A surrogate primary key that
uniquely identifies the store.
manager_staff_id: A foreign key
identifying the manager of this store.
address_id: A foreign key identifying
the address of this store.
last_update: The time that the row was
created or most recently updated.