1.CDO> DEFINE FIELD MULTIPLE cont> OCCURS 3 TIMES cont> DATATYPE IS SIGNED LONGWORD. In this example, the OCCURS field property in the DEFINE FIELD command creates the MULTIPLE field element, which occurs 3 times. 2.CDO> CHANGE FIELD MULTIPLE cont> NOOCCURS. In this example, the NOOCCURS keyword removes the OCCURS property from the MULTIPLE field element.