The following table describes the columns in the DB2 Catalog Synchronization Information sequential file for INTERNAL KEY:
| Column | Type | Length | Decimal | Domain | 
|---|---|---|---|---|
| RECFMT | CHARACTER | 001-004 | 4 | IKEY | 
| Separator | CHARACTER | 005-005 | 1 | must be blank | 
| IXNAME | CHARACTER | 006-133 | 128 | index name (mandatory field) | 
| Separator | CHARACTER | 134-134 | 1 | must be blank | 
| IXCREATOR | CHARACTER | 135-262 | 128 | index creator ( mandatory field) | 
| Separator | CHARACTER | 263-263 | 1 | must be blank | 
| COLSEQ | CHARACTER | 264-267 | 4 | column sequence ( mandatory field) | 
| Separator | CHARACTER | 268-268 | 1 | must be blank | 
| COLNAME | CHARACTER | 269-298 | 30 | column name ( mandatory field) | 
| Separator | CHARACTER | 299-299 | 1 | must be blank | 
| COLNO | CHARACTER | 300-303 | 4 | column number ( mandatory field) |