Solved
a example of import csv to database
what should i fill in each blank of smart service in process model, or in interface smart service code?

what should i fill in each blank of smart service in process model, or in interface smart service code?

You'll either need to change the table or somehow ensure the excel file doesn't exceed the limits on your table. No way around that one.
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.