PostgreSQL is a powerful, open-source database engine with a uniquely advanced query optimizer and dozens of built in features, making it an easy choice for production databases.
Place the dated extract and delivery note in the shared folder.
Get a dated CSV and row count in your shared folder every month, or an error note explaining why the export stopped.
Deliver a fresh Excel file when the reporting table changes.
Your report preparer gets a fresh Excel workbook when the SQL reporting table changes. The rows follow your chosen query and headings.