ascii()
chr()
ends_with()
index_of()
len()
lower()
ltrim()
mv_to_string()
number_to_string
replace()
rtrim()
starts_with()
string_to_number
substr()
trim()
upper()
Windowing Functions
coalesce
Previous Versions
Returns a copy of the string with all characters in upper case.
upper(string)
Returns null if string is null.
1upper("java") == "JAVA"