Oracle 11g R2 स्कीमा सेटअप :
CREATE TABLE test ( col1, col2 ) AS
SELECT 'a', 2 FROM DUAL
UNION ALL SELECT 'b', 3 FROM DUAL
UNION ALL SELECT 'c', 1 FROM DUAL
क्वेरी 1 :
SELECT col1,
col2
FROM test t,
TABLE(
CAST(
MULTISET(
SELECT LEVEL
FROM DUAL
CONNECT BY LEVEL <= t.col2
)
AS SYS.ODCINUMBERLIST
)
)
परिणाम :
| COL1 | COL2 |
|------|------|
| a | 2 |
| a | 2 |
| b | 3 |
| b | 3 |
| b | 3 |
| c | 1 |