SESAM / SQL Server is a relational database system originally developed by Siemens, whose role as developer was successively succeeded by Siemens Nixdorf Informationssysteme (SNI),[1] Fujitsu Siemens Computers, and now Fujitsu Technology Solutions.
It runs on the BS2000/OSD mainframe.
Clients running on BS2000/OSD, UNIX systems, Solaris, Linux and Microsoft Windows are supported.