Source : Free On-Line Dictionary of Computing

Integrated Database Management System
     
         (IDMS) A network {DBMS} written by the staff of
        B.F.Goorich (Akron, Ohio, USA) circa 1972 and sold to
        {Cullinet} (Originally Cullinane, now part of {Computer
        Associates}).
     
        IDMS was licensed to {ICL} in 1976 for porting to, and
        subsequent development on, their computers.  It was
        implemented on the {ICL 1900} Series ({DME} {George 2},
        {George 3}, {CME}, {TME}), {System 4}, and {ICL 2900} Series
        (later Series 39 Corporate Servers).  The latest version runs
        on Series 39 {OpenVME} as IDMSX (IDMS extended).
     
        [Was it a {relational database}?]
     
        (1995-04-19)