This function returns the middle value of the sorted population of n elements.
SortMiddle will return the (n+1)/2'th value, performing integer division.
V1 |
V2 |
V3 |
V4 |
V5 |
V6 |
5 |
25 |
2 |
1 |
0 |
30 |
The above example would return 2, because it is the 3th value in the sorted population ((6+1)/2 = 3.5 ~=3).
V1 |
V2 |
V3 |
V4 |
V5 |
5 |
25 |
2 |
25 |
25 |
The above example would return 25, because it is the 3rd value in the population ((5+1)/2 = 3).
value_exp can be an expression of any SQL data type.