Some functions have both ML Engine and SQL Engine (Advanced SQL Engine) versions, which have different syntax.
If a function has both versions, a query that starts this way calls the Advanced SQL Engine version:
SELECT * FROM function_name ( ...
To call the ML Engine version instead of the Advanced SQL Engine version, append "@coprocessor" to the function name:
SELECT * FROM function_name@coprocessor ( ...
||Teradata Vantage™ User Guide, B700-4002|
||Teradata Vantage™ - Advanced SQL Engine Analytic Functions, B035-1206|