OceanBase Database does not support the LONG, LONG RAW, NCLOB, and BFILE data types, whereas Oracle does. This topic describes the data types that Oracle supports but OceanBase Database does not.
| Type | Description |
|---|---|
| LONG | Stores a variable-length string. The maximum length is 2 GB. |
| LONG RAW | Stores variable-length binary data. The maximum length is 2 GB. Multimedia images and audio files can be stored in this data type. |
| NCLOB | Stores string data that is subject to the character set. The maximum length is 4 GB. |
| BFILE | Stores binary data outside of the database. The maximum size is 4 GB. |