adding an exam booking detail to database

Question

how to add an exam booking audit trail to the database, where we can determine when and who has uploaded exam results

Answer 1

You just create a table and then write a class that inserts values into your table. Easy as that.

P.S. ask a vague question and you will get a vague answer.

Answer 2

You can implement data modification auditing using triggers to write user action info of interest to a separate table or tables as described here.