Returns a subset from the end of a set.
Tail(«Set»[, «Count»])
This function returns the last «Count» elements in a set. The order of elements is preserved. The default value of «Count» is 1. If «Count» is less than 1, the empty set is returned. If «Count» exceeds the number of tuples in the set, the original set is returned.
The following code returns the set {France, Germany, Japan}
:
Tail({USA, Canada, France, Germany, Japan}, 3)