| Field | Key | Data Element | Type | Offset | Leng | Decimals | Check Table | Text |
|---|---|---|---|---|---|---|---|---|
| TABKAT | X | TABKAT | CHAR | 0 | 2 | 0 | Size category | |
| FIRSTSIZE | INFFSTSIZE | NUMC | 2 | 10 | 0 | Size of an initial INFORMIX extent in KB | ||
| NEXTSIZE | INFNXTSIZE | NUMC | 12 | 10 | 0 | Size of an INFORMIX next extent in KB | ||
| MINEXTENT | INFMINEXT | NUMC | 22 | 4 | 0 | Minimum number of INFORMIX extents | ||
| MAXEXTENT | INFMAXEXT | NUMC | 26 | 4 | 0 | Maximum number of INFORMIX extents |