- DBMS -
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DDQuery Special Edition
    DDQuery Special Edition
    DDQuery Special Edition
        PC-MS/DOS
      - 
      Data management system with interactive screen definition and
      application development features. Enables user to convert current
      system to DDQuery database. Permits data access either sequentially,
      directly or randomly. Provides for file consolidation and protection
      against unauthorized access at data table and field levels. Includes
      Schema database definition subsystem and Query database query
      subsystem.
        data security
      = 640 KB 
      = No 
      EMS= No 
      MOUSE= No 
      = $49 
      = 1992 
        Fidelity Professional Development Center
          =>
            Fidelity Professional Development Center
                PO Box 15263, Minneapolis, MN 55415
                  = 612–897–3875 
                  = Use main no. 
                  = 612–897–3915 
      Fidelity Professional Development Center
        =>
          Fidelity Professional Development Center
            Fidelity Professional Development Center
                PO Box 15263, Minneapolis, MN 55415
                  = 612–897–3875 
                  = Use main no. 
                  = 612–897–3915 
              PO Box 15263, Minneapolis, MN 55415
                = 612–897–3875 
                = Use main no. 
                = 612–897–3915