Find if an SQLException was thrown because of a duplicate

Question

I have a Java program that is agnostic from the database and I need to know, while inserting, if an SQLException was thrown because of a duplicate key.

If I was using a

Answer 1

Am I missing something? If you're using JDBC you should get back a duplicate key exception, regardless of the DB being used.

Or did you ask how you would determine a dupkey BEFORE you tried teh insert?