Count the number of non-ID columns in the following database and compare to the number of foreign keys in the database schema.
Employee | FName | WorksIn | Mngr |
---|---|---|---|
1 | Alan | 101 | 2 |
2 | Ruth | 101 | 2 |
3 | Kris | 102 | 3 |
Dept | DName | Secr |
---|---|---|
101 | Sales | 1 |
102 | IT | 3 |
They are the same: 5