The following table lists and describes all the logical names you
       can define for your DEC DATATRIEVE environment. These logical
       names must be defined at DCL level, before invoking the DEC
       DATATRIEVE image. DEC DATATRIEVE then translates the logical
       names at runtime.

       Table 3-1 Logical Name Assignments

       Logical Name         Example

       CDD$DEFAULT
         Default Oracle     $ DEFINE CDD$DEFAULT "CDD$TOP.DTR$LIB"
         CDD/Repository
         directory
       DTR$BANNER_DISABLE
         DEC DATATRIEVE     $ DEFINE DTR$BANNER_DISABLE TRUE
         banner disabled
       DTR$CAPTIVE_ALLOWED
         Access to DCL and  $ DEFINE DTR$CAPTIVE_ALLOWED FN$DCL,
         SPAWN commands by  FN$SPAWN
         captive accounts
       DTR$COMMAND_LINES
         Number of command  $ DEFINE DTR$COMMAND_LINES "25"
         recall lines
       DTR$DATE_INPUT
         Default            $ DEFINE DTR$DATE_INPUT "MDY"
         date input
         interpretation;
         formats: "MDY"
         "DMY" "YDM" "YMD"
         "DYM" "MYD"
       DTR$EDIT
         EDT, DEC TPU,      $ DEFINE DTR$EDIT "TPU"
         or LSE as editor
         (Note: Use one
         of the following
         3-letter codes:
         EDT, TPU, LSE)
       DTR$ENVIRONMENT
         Provides control   $ DEFINE/USER DTR$ENVIRONMENT "/NOCDD/EXIT_
         information        ON_PRINT_ERROR"
         to the DEC
         DATATRIEVE image
       DTR$KEYDEFS
         File of key        $ DEFINE DTR$KEYDEFS
         definitions        "DSK1:[ROY]KEYDEFS.COM"
       DTR$NOWINDOWS
         Use of the         $ DEFINE DTR$NOWINDOWS TRUE
         DECwindows
         interface
       DTR$PROMPT_LINES
         Number of prompt   $ DEFINE DTR$PROMPT_LINES "30"
         recall lines
       DTR$READY_MODE
         Default access     $ DEFINE DTR$READY_MODE "SHARED"
         option
       DTR$RW_BODY_
       ATTRIBUTES
         Default rendition  $ DEFINE DTR$RW_BODY_ATTRIBUTES
         attributes for     "FAMILY=NC_SCHOOLBOOK, SIZE=10"
         the body of a
         report
       DTR$RW_DEBUG
         Either layout      $ DEFINE DTR$RW_DEBUG "GRID,LAYOUT"
         boxes, background
         grid, or both on
         a printed report
       DTR$RW_HEADER_
       ATTRIBUTES
         Default rendition  $ DEFINE DTR$RW_HEADER_ATTRIBUTES
         attributes for     "FAMILY=COURIER, SIZE=24, ITALIC"
         the header of a
         report
       DTR$RW_INITIAL_FF
         FF (Form Feed)     $ DEFINE DTR$RW_INITIAL_FF TRUE
         enabled at the
         beginning of TEXT
         format reports
       DTR$RW_NO_FINAL_FF
         FF (Form Feed)     $ DEFINE DTR$RW_NO_FINAL_FF TRUE
         disabled at the
         end of of TEXT
         format reports
       DTR$STACK_SIZE
         DATATRIEVE stack   $ DEFINE DTR$STACK_SIZE "200"
         size
       DTR$STARTUP
         Startup command    $ DEFINE DTR$STARTUP "DTRSTART.COM"
         file
       DTR$SYNONYM
         File containing    $ DEFINE DTR$SYNONYM SYNONYMS_LIST.TXT
         keywords
         and their
         corresponding
         abbreviations
       DTR$TOP
         provides the       $ DEFINE DTR$TOP SYS$SYSDEVICE:[VMS$COMMON.DTR]
         rooted-directory
         that behaves as
         CDD$TOP for
         text-file
         definitions
       DTRADT
         New or modified    $ DEFINE DTRADT "NEWADT.DAT"
         ADT text file
       DTRHELP
         New or modified    $ DEFINE DTRHELP "NEWDTRLIB.HLB"
         help library
       DTRMSGS
         New or modified    $ DEFINE DTRMSGS "NEWMSGS.EXE"
         message file