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SELECT ID, CAR_ID, REPLACE(CAR_DAY, 'CAR_', '') AS CAR_DAY FROM ( SELECT 1 as ID, 100 as CAR_1, 200 as CAR_2, 300 as CAR_3 FROM dual ) unpivot ( CAR_ID FOR CAR_DAY IN (CAR_1, CAR_2, CAR_3) );
ID
CAR_ID
CAR_DAY
1
100
1
1
200
2
1
300
3