It is known that Dell Boomi Atomsphere is the leading SaaS Cloud integration platform of choice.
Due to its simplicity and versatility, it is also emerging as a leading
platform to integrate data between heterogeneous applications or databases (ex
: MySql or Sql Server to Oracle). This Whitepaper explains how simple it is and what it takes and needs to integrate and exchange data between SqlServer and Oracle database.

http://en.community.dell.com/techcenter/extras/m/white_papers/20173101.aspx