| FILE_NAME | VARCHAR2(513) |  | Name of the database file | 
| FILE_ID | NUMBER | NOT NULL | File identifier number of the database file | 
| TABLESPACE_NAME | VARCHAR2(30) | NOT NULL | Name of the tablespace to which the file belongs | 
| BYTES | NUMBER |  | Size of the file in bytes | 
| BLOCKS | NUMBER | NOT NULL | Size of the file in Oracle blocks | 
| STATUS | VARCHAR2(9) |  | File status: AVAILABLEorINVALID(INVALIDmeans that the file number is not in use, for example, a file in a tablespace that was dropped) | 
| RELATIVE_FNO | NUMBER |  | Relative file number | 
| AUTOEXTENSIBLE | VARCHAR2(3) |  | Autoextensible indicator | 
| MAXBYTES | NUMBER |  | Maximum file size in bytes | 
| MAXBLOCKS | NUMBER |  | Maximum file size in blocks | 
| INCREMENT_BY | NUMBER |  | Number of Oracle blocks used as autoextension increment | 
| USER_BYTES | NUMBER |  | The size of the file available for user data. The actual size of the file minus the USER_BYTESvalue is used to store file related metadata. | 
| USER_BLOCKS | NUMBER |  | Number of blocks which can be used by the data | 
| ONLINE_STATUS | VARCHAR2(7) |  | Online status of the file: 
SYSOFF
SYSTEM
OFFLINE
ONLINE
RECOVER
 |