DBA_DATA_FILES
Fichiers physiques de données.
| Nom de la colonne | Description |
| FILE_NAME | Name of the database file |
| FILE_ID | ID of the database file |
| TABLESPACE_NAME | Name of the tablespace to which the file belongs |
| BYTES | Size of the file in bytes |
| BLOCKS | Size of the file in Oracle blocks |
| STATUS | File status: AVAILABLE or INVALID (INVALID means that the file number is not in use, for example, a file in a tablespace that was dropped) |