Static Data Dictionary Views, 154 of 452

DBA_FREE_SPACE

DBA_FREE_SPACE lists the free extents in all tablespaces.

USER_FREE_SPACE lists the free extents in tablespaces accessible to the current user.

Column	Datatype	NULL	Description
`TABLESPACE_NAME`	`VARCHAR2(30)`	`NOT NULL`	Name of the tablespace containing the extent
`FILE_ID`	`NUMBER`	`NOT NULL`	ID number of the file containing the extent
`BLOCK_ID`	`NUMBER`	`NOT NULL`	Starting block number of the extent
`BYTES`	`NUMBER`		Size of the extent in bytes
`BLOCKS`	`NUMBER`	`NOT NULL`	Size of the extent in Oracle blocks
`RELATIVE_FNO`	`NUMBER`	`NOT NULL`	Relative file number of the first extent block