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8 rows affected
ROW_ CODE DATE_ PERIOD
1 Start_period 01-JAN-19 1
2 End_period 15-JAN-19 1
3 Random_code1 15-FEB-19 1
4 Random_code2 28-FEB-19 1
5 End_period 31-MAR-19 1
6 Start_period 31-MAY-19 2
7 End_period 11-JUN-19 2
8 End_period 28-AUG-19 2