CREATE AUTHORIZATION and REPLACE AUTHORIZATION for information about creating external authorization objects. CREATE FUNCTION (External Form) and REPLACE FUNCTION (External Form) for usage notes about the UDF clauses that are not fully explained here. CREATE GLOBAL TEMPORARY TRACE TABLE. DROP AUTHORIZATION HASH BY and LOCAL ORDER BY clauses in Teradata Vantage™ - SQL Data Manipulation Language, B035-1146. Teradata Vantage™ - SQL External Routine Programming , B035-1147 for information about coding external table functions.