HELP { SPECIFIC FUNCTION [ database_name_1. | user_name_2. ] specific_function_name | FUNCTION [ database_name_2. | user_name_2. ] function_name [(data_type [,...])] } [;]
HELP { SPECIFIC FUNCTION [ database_name_1. | user_name_2. ] specific_function_name | FUNCTION [ database_name_2. | user_name_2. ] function_name [(data_type [,...])] } [;]