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Recovery Catalog Views, 16 of 28


RC_DATAFILE

This view lists information about all datafiles registered in the recovery catalog. It corresponds to the V$DATAFILE view. A datafile is shown as dropped if its tablespace was dropped.

Column Datatype Description

DB_KEY

NUMBER

The primary key for the target database.

DBINC_KEY

NUMBER

The primary key for the incarnation of the target database. Use this column to form a join with RC_DATABASE_INCARNATION.

DB_NAME

VARCHAR2(8)

The DB_NAME of the database incarnation to which this record belongs.

TS#

NUMBER

The number of the tablespace to which the datafile belongs. The TS# may exist multiple times in the same incarnation if the tablespace is dropped and re-created.

TABLESPACE_NAME

VARCHAR2(30)

The tablespace name. The name may exist multiple times in the same incarnation if the tablespace is dropped and re-created.

FILE#

NUMBER

The absolute file number of the datafile. The same datafile number may exist multiple times in the same incarnation if the datafile is dropped and re-created.

CREATION_CHANGE#

NUMBER

The SCN at datafile creation.

CREATION_TIME

DATE

The time of datafile creation.

DROP_CHANGE#

NUMBER

The SCN recorded when the datafile was dropped. If a new datafile with the same file number is discovered then the DROP_CHANGE# is set to CREATION_CHANGE# for the datafile; otherwise the value is set to RC_CHECKPOINT.CKP_SCN.

DROP_TIME

DATE

The time when the datafile was dropped. If a new datafile with the same file number is discovered then the DROP_TIME is set to CREATION_TIME for the datafile; otherwise the value is set to RC_CHECKPOINT.CKP_TIME.

BYTES

NUMBER

The size of the datafile in bytes.

BLOCKS

NUMBER

The size of the datafile in blocks.

BLOCK_SIZE

NUMBER

The size of the data blocks in btyes.

NAME

VARCHAR2(1024)

The datafile filename.

STOP_CHANGE#

NUMBER

For offline or read-only datafiles, the SCN value such that no changes in the redo stream at an equal or greater SCN apply to this file.

STOP_TIME

DATE

For offline normal or read-only datafiles, the time beyond which there are no changes in the redo stream that apply to this datafile.

READ_ONLY

NUMBER

1 if the file is read-only; otherwise 0.

RFILE#

NUMBER

The relative file number of this datafile within its tablespace.

INCLUDED_IN_DATABASE_BACKUP

VARCHAR2(3)

Indicates whether this tablespace is included in whole database backups: YES or NO. The NO value occurs only if CONFIGURE EXCLUDE was run on the tablespace that owns this datafile.

AUX_NAME

VARCHAR2(1024)

Indicates the auxiliary name for the datafile as set by CONFIGURE AUXNAME.



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