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14 rows affected
| EMPNO | ENAME | MGR | LVL | TOP_LEVEL_MANAGER |
|---|---|---|---|---|
| 7844 | TURNER | 7698 | 1 | TURNER |
| 7698 | BLAKE | 7839 | 2 | TURNER |
| 7839 | KING | null | 3 | TURNER |
| 7902 | FORD | 7566 | 1 | FORD |
| 7566 | JONES | 7839 | 2 | FORD |
| 7839 | KING | null | 3 | FORD |