ALWNULL (Allow Null Value) Keyword in Physical Files--Example

Figure 21 shows how to specify the ALWNULL keyword.

Figure 21. Specifying the ALWNULL Keyword

|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
00010A          R RECORD1
00020A            FIELD1        75A         ALWNULL
00030A            FIELD2       100A
00040A            FIELD3          L         ALWNULL
00050A                                      DATFMT(*MDY)
00060A                                      DFT('12/25/93')
     A

FIELD1 is defined to allow the null value. The default value of FIELD1 is the null value. FIELD2 is defined to not allow the null value. The default value of FIELD2 is blanks.