The following file definitions are used in all examples in this manual.

In these examples, SL means standard length, and SF means standard format.

File 1:

01,GA              ; Group GA, consisting of fields AA and AB.

02,AA,8,A,DE,NU    ; Elementary field AA; SL is 8 bytes, SF is
                   ; Alphanumeric, Descriptor, Null Value
                   ; Suppression.

02,AB,2,P,DE,NU    ; Elementary field AB; SL is 2, SF is Packed,
                   ; Descriptor, Null Value Suppression.

01,AC,20,A,NU      ; Elementary field AC; SL is 20, SF is
                   ; Alphanumeric, Null Value Suppression.

01,MF,3,A,MU,DE,NU ; Multiple value field MF; SL is 3, SF is
                   ; Alphanumeric, Descriptor, Null Value
                   ; Suppression.

01,GB,PE           ; Periodic group GB.

02,BA,1,B,DE,NU    ; Elementary field BA (within periodic group
                   ; GB); SL is 1, SF is Binary, Descriptor, Null
                   ; Value Suppression.

02,BB,5,P,NU       ; Elementary field BB (within periodic group
                   ; GB); SL is 5, SF is Packed, Null Value
                   ; Suppression.

02,BC,10,A,NU      ; Elementary field BC (within periodic group
                   ; GB); SL is 10, SF is Alphanumeric, Null Value
                   ; Suppression.

01,GC,PE           ; Periodic group GC.

02,CA,7,A,DE,NU    ; Elementary field CA (within periodic group
                   ; GC); SL is 7, SF is Alphanumeric, Descriptor,
                   ; Null Value Suppression.

02,CB,10,A,MU,NU   ; Multiple value field CB (within periodic group
                   ; GC); SL is 10, SF is Alphanumeric, Null Value
                   ; Suppression.

01,DA,4,F,NC       ; Elementary field DA; SL is 4; SF is Fixed Point;
                   ; may contain SQL NULL values

01,W1,0,W          ; Elementary field W1
                   ; SL is variable
                   ; SF is Unicode

File 2:

01,L1,0,A,NU,NV,NB,LB    ; LOB field     

01,RG              ; Group RG, consisting of all other fields in the
                   ; record.

02,RA,8,A,DE,NU    ; Elementary field RA; SL is 8, SF is Alphanumeric,     
                   ; Descriptor, Null Value Suppression.

02,RB,10,A,DE      ; Elementary field RB; SL is 10, SF is
                   ; Alphanumeric, Descriptor.

02,GX              ; Group GX, consisting of the fields XA, XB, XC,
                   ; XD, and XE.

03,XA,10,A         ; Elementary field XA; SL is 10, SF is
                   ; Alphanumeric.

03,XB,2,P,DE       ; Elementary field XB; SL is 2, SF is Packed,
                   ; Descriptor.

03,XC,6,U          ; Elementary field XC; SL is 6, SF is Unpacked.

03,XD,8,A,DE,NU    ; Elementary field XD; SL is 8, SF is
                   ; Alphanumeric, Descriptor, Null Value
                   ; Suppression.

03,XE,5,A,DE,NU    ; Elementary field XE; SL is 5, SF is
                   ; Alphanumeric, Descriptor, Null Value
                   ; Suppression.

SA=RA(1,4)         ; Subdescriptor SA; derived from bytes 1 through
                   ; 4 of field RA, format is Alphanumeric.

SB=RA(1,8),RB(1,4) ; Superdescriptor SB; derived from bytes 1
                   ; through 8 of field RA and bytes 1 through 4 of
                   ; field RB, format is Alphanumeric.

SC=XB(1,2),XC(1,6) ; Superdescriptor SC; derived from bytes 1
                   ; through 2 of field XB and bytes 1 through 6 of
                   ; field XC, format is Binary.

SD,B,UQ = XC(1,1),XC(5,6)
                   ; Superdescriptor SD; derived from the first byte
                   ; and the bytes 5 through 6 of the field XC, the
                   ; resulting format is binary, unique descriptor