How to read/insert MS .xls record into Oracle without .csv conversion etc.

i really have this challenge to download .xls file at oracle level. In other word no apache utility like Sheet etc. need to use. Any thin at oracle level is permitted though. E.g. stored procedure/ function etc.
File is as such in .xls format. Not text or .csv or any other delimitered.
Thanks

Can you explain exactly why these limitations are in place? That would really help us figure out whether any of the options we might be able to suggest would work for you. A few options off the top of my head:
- There are various Java libraries that can parse at least some reasonable subset of Excel formatting. I'd expect that you could probably load one of those into Oracle and write a Java stored procedure that would parse the file. Of course, I'm not sure whether that falls into your "at Oracle level" bucket or into your "no Apache utility" bucket.
- Oracle APEX has various Excel upload utilities, but that requires the use of APEX which might not be trivial to integrate with an existing application.
- Heterogenous Services with Generic Connectivity would allow you to create a database link over ODBC to an Excel file and to query the Excel data via SQL. That requires, though, that there is an ODBC DSN for the Excel file and probably requires that your Oracle database is on Windows.
Justin

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