For instance:
Divisions:
- Division A
- Division B
- Division C
- etc...
Ranks in Divisions
- Division A -- Rank 1, Rank 2, Rank 3, ...
- Division B -- Rank a, Rank b, Rank c, ...
- etc..
And a user would only be assigned a rank. For instance, they would be "Rank 1".
Exactly what type of relationship would this scenario require? And how would the tables setup have to look like?