Pseudo table:
| primary_key | first_name | last_name | date_of_birth |
| 1 | John Smith | | 07/04/1982 |
| primary_key | first_name | lPseudo table:
| primary_key | first_name | last_name | date_of_birth |
| 1 | John Smith | | 07/04/1982 |
| primary_key | first_name | l