NTH_VALUE (SQL)
A window function that assigns the value of the field column for row number n within the specified window frame to all rows in the window frame.
Synopsis
Description
NTH_VALUE assigns the value from the field column taken from row number n to all rows within the window frame. NTH_VALUE supports the ROWS clause.
Arguments
field
A column that specifies which value to assign to all rows.
n
A number that denotes which row's field column value will be used.
Examples
The following example returns the second highest salary within each department:
SELECT NTH_VALUE(Salary, 2) OVER (PARTITION BY Department ORDER BY Salary) FROM Company.Employee
See Also
