The following table describes the columns in the IMPSRC sequential file:
| Column | Type | Displacement | Length | Domain |
|---|---|---|---|---|
| FILETYPE2 | CHARACTER | 001-004 | 4 | DB2T or ADAF |
| FLDDISPL | INTEGER | 005-009 | 5 | Field Displacement |
| FLDNAME | CHARACTER | 010-039 | 30 | Field Name |
| FLDLEN | INTEGER | 040-044 | 5 | Field Length |
| FLDINT | INTEGER | 045-047 | 3 | Field Integer |
| FLDDEC | INTEGER | 048-050 | 3 | Field Decimal |
| FLDTYPE | CHARACTER | 051-051 | 1 | Field Type |
| CLATYPE | INTEGER | 052-055 | 4 | Field Class |
| NULLCAP | CHARACTER | 056-056 | 1 | Null Capable |
| VARLEN | CHARACTER | 057-057 | 1 | Field with Variable Length |
| FLDTXT | CHARACTER | 058-107 | 50 | Text |
| FILLER | CHARACTER | 108-177 | 70 | Filler |