By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
Records: 7 Duplicates: 0 Warnings: 0
| ID | ParentID |
|---|---|
| 1 | null |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | null |
| 7 | 6 |
| Id | RootId |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 6 |
| 6 | 6 |
| 7 | 6 |
Records: 7 Duplicates: 0 Warnings: 0
| ID | ParentID |
|---|---|
| 1 | null |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | null |
| 7 | 6 |
| Id | RootId |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 6 |
| 6 | 6 |
| 7 | 6 |