Currently, the following codes are unused or are for only internal use:
| Code | Data Type |
|---|---|
| 384 385 |
IBM DATE |
| 432 433 |
ZONED DECIMAL (sign trailing) |
| 436 437 |
ZONED DECIMAL (sign trailing separate) |
| 440 441 |
ZONED DECIMAL (sign leading) |
| 444 445 |
ZONED DECIMAL (sign leading separate) |
| 460 461 |
CHAR (array) |
| 498 499 |
INTEGER (byte flipped) |
| 502 503 |
SMALLINT (byte flipped) |