I would like the user to be able to click a button on the web page that will run a SQL query (canned report) and export the result data to an Excel spreadsheet. The data does not need to display ...

How to Export From Oracle 10G Grid Control to Microsoft Excel. ... Click the table whose data you want to export to Excel. ... How to Establish an ODBC Connection to the SQL Database.

It'll be too huge for Excel, use the Unix utility less, which is available with Cygwin. Alternatively, use Emeditor, which is the best text editor I've found for really large files.