DDS for physical and logical files


Positional entries for physical and logical files (positions 1 through 44)

This section describes how to specify the first 44 positions of the data description specifications form for physical and logical files. To code the remainder of the form, see Keyword entries for physical and logical files (positions 45 through 80).

The following positional entries are described below:

Figure 3 shows some positional entries for physical files.

Figure 3. Physical File Coding Example

|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
00010A* PHYSICAL FILE CODING EXAMPLE
00020A                                      REF(INVENCTL/INVENTORY)
00030A                                      UNIQUE
00040A          R ORDFMT                    TEXT('Format for Purchase Orders')
00050A            ORDNBR         7  0       COLHDG('Order' 'Number')
00060A            ITMNBR    R   10
00070A            SUPNBR    R   +2          REFFLD(SUPID SUPLIB/SUPMST)
00080A            QTYORD         5B
00090A          K ORDNBR
00100A          K ITMNBR                    ABSVAL
     A

Figure 1 and Figure 2 show positional entries for multiple format and join logical files.


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