V$TABLESPACE displays tablespace information from the control file.
| Column | Datatype | Description | 
|---|---|---|
TS# | 
NUMBER | 
Tablespace number | 
NAME | 
VARCHAR2(30) | 
Tablespace name | 
INCLUDED_IN_DATABASE_BACKUP | 
VARCHAR2(3) | 
Indicates whether the tablespace is included in full database backups using the BACKUP DATABASE RMAN command (YES) or not (NO); NO only if the CONFIGURE EXCLUDE RMAN command was used for this tablespace | 
BIGFILE | 
VARCHAR2(3) | 
Indicates whether the tablespace is a bigfile tablespace (YES) or a smallfile tablespace (NO) | 
FLASHBACK_ON | 
VARCHAR2(3) | 
Indicates whether the tablespace participates in FLASHBACK DATABASE operations (YES) or not (NO) | 
ENCRYPT_IN_BACKUP | 
VARCHAR2(3) | 
Indicates whether encryption is turned ON or off at the tablespace level:
  |