The RECORD clause specifies: (1) the number of character positions in
  a fixed length record, (2) variable length record format, or (3) the
  minimum and maximum number of character positions in a variable
  length record.

  Format 1 -

   RECORD CONTAINS [shortest-rec TO] longest-rec CHARACTERS

1  –  shortest-rec

  is an integer that specifies the minimum number of character
  positions in a variable-length record.

2  –  longest-rec

  is an integer greater than shortest-rec.  It specifies the maximum
  number of character positions in a variable-length record or the
  size of a fixed-length record.