DBA_TEMP_FILES describes all temporary files (tempfiles) in the database.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| FILE_NAME | VARCHAR2(513) | Name of the database temp file | |
| FILE_ID | NUMBER | File identifier number of the database temp 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 | Size of the file (in Oracle blocks) | |
| STATUS | CHAR(9) | File status: 
 | |
| RELATIVE_FNO | NUMBER | Tablespace-relative file number | |
| AUTOEXTENSIBLE | VARCHAR2(3) | Indicates whether the file is autoextensible ( YES) or not (NO) | |
| MAXBYTES | NUMBER | maximum size of the file (in bytes) | |
| MAXBLOCKS | NUMBER | Maximum size of the file (in Oracle blocks) | |
| INCREMENT_BY | NUMBER | Default increment for autoextension | |
| USER_BYTES | NUMBER | Size of the useful portion of the file (in bytes) | |
| USER_BLOCKS | NUMBER | Size of the useful portion of the file (in Oracle blocks) |