Ниже 2 отчетов, дающих 2 разных результата
SELECT t.EID,t.name, ROW_NUMBER() OVER(ORDER BY 1) AS ROW_NUM
FROM ESWAR t
;
EID NAME ROW_NUM
2 Ram 1
1 Siva 2
3 Deva 3
SELECT t.EID, t.name,ROW_NUMBER() OVER(ORDER BY t.EID) AS ROW_NUM
FROM ESWAR t
;
EID NAME ROW_NUM
1 Siva 1
2 Ram 2
3 Deva 3