- Assume that each day a file will be presented to you with the same name as the attached data file but with a date appended in the format YYYY-MM-DD
- Ensure that the stored procedure will not fail if it is re-run for the same day by accident and that it will generate appropriate error messages
- Ensure that the stored procedure will update with the most recent value if it is re-run for the same day and if the transactions in the file have changed