Calls an editor that lets you edit the RDO statements you have issued
 within a terminal session.  By default, Rdb/VMS uses the EDT editor.
 You can use the editor to modify your previous RDO statements,
 construct your next statement or group of statements, or include a
 file with other statements.

 Example using EDT to edit an RDO statement:

      RDO> FOR J IN JOSB PRINT J.JOB_TITLE END_FOR
      %RDO-F-RELNOTDEF, Relation JOSB is not defined in database
      RDO> EDIT

      FOR J IN JOSB PRINT J.JOB_TITLE END_FOR
      [EOB]

Additional information available:

MoreFormatExample

 If you have invoked a database, you have the necessary privileges to
 use the EDIT statement.

 If you have the VAX Text Processing Utility (VAXTPU) installed on
 your system, you can invoke VAXTPU with the EDIT statement in an RDO
 session.  To use VAXTPU in an RDO session, define the logical name
 RDO$EDIT in the following way:

 $ DEFINE RDO$EDIT "TPU"

 Then, when you type EDIT in an RDO session, VAXTPU is invoked.  If
 RDO$EDIT is not defined, or is defined to be something other than
 VAXTPU, then the EDT editor will be invoked when you issue the EDIT
 statement.  If RDO cannot find the VAXTPU shareable image, EDT will
 be invoked.  To use your personal VAXTPU section file with RDO EDIT,
 you must define the logical name TPU$SECTION to be your personal
 section file.

 You can use the editor you choose with your usual initialization file
 to modify your previous RDO statements, construct your next statement
 or group of statements, or include a file with other statements.

 EDIT ────┬─────>───────┬───>
          ├──> number ──┤
          └──> typebox (*) ───────┘

Additional information available:

numberasterisk

 The number of previous statements you want to edit.  This must be an
 integer.  If you specify 0, RDO calls the editor with an empty main
 editing buffer.  The default is 1.

 The wild card character (*).  If you use the wild card, RDO includes
 in the editing buffer n previous statements, where n is the number
 specified in SET EDIT KEEP n.  The default is 20 statements.

 The following sequence demonstrates the correction of a misspelled
 statement:

 1.  Make a mistake:

     RDO> FOR J IN JOSB
     cont> PRINT J.JOB_TITLE END_FOR
     %RDO-F-RELNOTDEF, Relation JOSB is not defined in database
     RDO>

 2.  Invoke the EDT editor:

     RDO> EDIT

 3.  When in the editor, change "JOSB" to "JOBS".

 4.  Exit from the editor.  RDO automatically executes the contents of
     the editing buffer.

     * EXIT
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