Examples
The following examples show how the SUBTRACT-DURATION intrinsic function can be used:
MOVE FUNCTION SUBTRACT-DURATION (date-1 MONTHS 1)
TO date-2.
MOVE FUNCTION SUBTRACT-DURATION (date-2 MONTHS 1 + 2 * 3)
TO date-1.
MOVE FUNCTION SUBTRACT-DURATION (date-3 MONTHS 5 DAYS 1000)
TO date-1.