4.312 DBA_HIST_DATAFILE

DBA_HIST_DATAFILE displays a history of the data file information from the control file.

This view contains snapshots of V$DATAFILE.

Column Datatype NULL Description

DBID

NUMBER

NOT NULL

Database ID

FILE#

NUMBER

NOT NULL

File identification number

CREATION_CHANGE#

NUMBER

NOT NULL

Change number at which the data file was created

FILENAME

VARCHAR2(513)

NOT NULL

Name of the data file

TS#

NUMBER

NOT NULL

Tablespace number

TSNAME

VARCHAR2(30)

Name of the tablespace

BLOCK_SIZE

NUMBER

Block size of the data file

CON_DBID

NUMBER

The database ID of the PDB for the sampled session

CON_ID

NUMBER

The ID of the container that CON_DBID identifies. 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

See Also:

"V$DATAFILE"