sessionize(long timeInSec, long thresholdInSec [, String subject])- Returns a UUID string of a session. SELECT

set_similarity(a,b) – Compute the Jaccard set similarity of two sketch sets. Platforms: WhereOS, Spark, Hive

set_difference(a,b) – Returns a list of those items in a, but not in b Platforms:

sha(expr) – Returns a sha1 hash value as a hex string of the `expr`. Platforms:

select_k_best(array array, const array importance, const int k) – Returns selected top-k elements as array

sequence(start, stop, step) – Generates an array of elements from start to stop (inclusive), incrementing