NTITLE() function is used to break up a record set into a specific number of groups.
SELECT NTILE(3) OVER (ORDER BY Age) AS [Group by Age],
EmpName,
Age
FROM Emp
Group by Age EmpName Age
-------------------- --------- -----------
1 Bill 11
1 Dhvani 20
1 Nehal 20
2 R 30
2 Abhinav 40
2 Suvrendu 40
3 Nirmal 50
3 Sunil 95
3 Ram 100
(9 row(s) affected)
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