8.67 V$MAP_FILE

V$MAP_FILE displays a list of all file mapping structures in the shared memory of the instance.

Column	Datatype	Description
FILE_MAP_IDX	NUMBER	Index corresponding to the file
FILE_CFGID	VARCHAR2(256)	Configuration ID (N/A if configuration ID is not supported)
FILE_STATUS	VARCHAR2(7)	Status of the mapping information: VALID - File mapping information is latest INVALID - Mapping must be refreshed
FILE_NAME	VARCHAR2(256)	Absolute file name
FILE_TYPE	VARCHAR2(11)	File type: DATAFILE SPFILE TEMPFILE CONTROLFILE LOGFILE ARCHIVEFILE
FILE_STRUCTURE	VARCHAR2(9)	File structure: FILE RAWVOLUME RAWDEVICE NONE
FILE_SIZE	NUMBER	File size in HKB (half KB)
FILE_NEXTS	NUMBER	Number of file extents in the file (not necessarily the same as the number of file extents mapped)
LIB_IDX	NUMBER	Index of mapping library claiming ownership of the file
CON_ID	NUMBER	The ID of the container to which the data pertains. Possible values include: 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. 1: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data