Oracle9i Recovery Manager Reference
Release 1 (9.0.1)

Part Number A90136-02
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Recovery Catalog Views, 14 of 26


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. 


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