V$CLONEDFILE

V$CLONEDFILE provides CloneDB file information.

Column	Datatype	Description
`SNAPSHOTFILENAME`	`VARCHAR2(513)`	Snapshot/master file name. This file is the master file from the master database. The snapshot file is also sometimes referred to as the srcfile.
`CLONEFILENAME`	`VARCHAR2(513)`	CloneDB file name. This file is the cloned file (of master file) which resides in the current (cloned database). The cloned file is sometimes referred to as the destfile.
`SNAPSHOTBLKREAD`	`NUMBER`	Number of blocks reads to the snapshot file (master file)
`SNAPSHOTREQUEST`	`NUMBER`	Number of read requests to the snapshot file (master file)
`FILENUMBER`	`NUMBER`	File number of the cloned file
`BLOCKS_ALLOCATED`	`NUMBER`	Amount of space allocated in blocks in the file system. This is less than or equal to the actual file size.

Note:

The V$CLONEDFILE view is is available starting with Oracle Database 11g Release 2 (11.2.0.4).