No. Currently, CentraSite Governance Edition stores all of its registry data in a relational database. Out of the box it comes with HSQLDB, but it is also certified to work with Oracle, DB2 and SQL Server.
As for the repository data (supporting document library), CentraSite GE may store it either in the file system or in one of the above relational databases.
Regards
#CentraSite#API-Management#webMethods