Hugo Brand and Marc Meewis are sales consultants at Oracle Belgium.\\\\Hugo has over 10 years experience with object-oriented development (C++ and Java). He is responsible in Belgium for Oracle's Java products and overall a Java supporter. Marc, while an expert Java developer, has a database development background of more than 10 years that he can not forget. More recently, he became addicted to XML. Though an incarnation of the object-relational "impedance mismatch", they manage to keep a friendly relationship !