Conversion of data types when substringing fields in DDS

If the field you are defining is a substring of a field (specified by the SST keyword) from the logical file or the associated physical file, the original field must be character, hexadecimal, zoned, DBCS-graphic or binary character (A, H, S, or G).

If you do not specify the data type of the logical file field, then the conversion is shown in the following table (Source field type is the type of the physical file field or the logical file field defined earlier in the logical file source):