CDO>  DEFINE RMS_DATABASE EMPLOYEE_
 INFO DESCRIPTION IS "INFORMATION ON"
  cont> "CURRENT EMPLOYEE".
  cont>   RECORD EMPLOYEE_REC.
     .
     .
     .
  cont>   KEYS.
  cont>     KEY 0
  cont>       DATA_AREA 0
  cont>       INDEX_AREA 0
  cont>       SEGMENT EMP_ID IN EMPLOYEE_REC.
  cont>     KEY 1
  cont>       DUPLICATES
  cont>       DATA_AREA 1
  cont>       INDEX_AREA 2
  cont>       SEGMENT LAST_NAME IN EMPLOYEE_REC.
  cont>   END KEYS.
  cont> END EMPLOYEE_INFO RMS_DATABASE.
  CDO>

      This example shows the syntax for defining the DATA_AREA,
      INDEX_AREA, SEGMENT, and DUPLICATES key properties in the
      EMPLOYEE_INFO RMS database element.