If you wish to use the Watson custom query builder to import via OBDC into Phoenix you will need Phoenix Connect. In addition, please note that Watson DLL file is called WatsonLIMS.dll and can be found in the following location for Phoenix WNL 6.x:
C:\Program Files\Pharsight\Phoenix\application\Plugins\ODBCwnl\Custom Query Builders
The Phoenix User's Guide incorrectly lists the file name as Watson_DMLIMS.dll on Page 880. The documentation will be corrected in the next version.