Możesz to zrobić za pomocą zapytania hierarchicznego:
Zapytanie 1 :
WITH levels AS (
SELECT LEVEL AS lvl
FROM DUAL
CONNECT BY LEVEL <= ( SELECT MAX( DupCount ) FROM TestTable )
)
SELECT Name,
DupCount
FROM TestTable
INNER JOIN
levels
ON ( lvl <= DupCount )
ORDER BY Name
Wyniki :
| NAME | DUPCOUNT |
|-------|----------|
| Jane | 1 |
| Jeff | 3 |
| Jeff | 3 |
| Jeff | 3 |
| Mark | 2 |
| Mark | 2 |
| Steve | 1 |