|  
 DB_KEY 
 | 
 
 NUMBER 
 | 
 
 The primary key for the target database. 
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|  
 DBINC_KEY 
 | 
 
 NUMBER 
 | 
 
 The primary key for the incarnation of the target database. Use this column to form a join with RC_DATABASE_INCARNATION. 
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|  
 DB_NAME 
 | 
 
 VARCHAR2(8) 
 | 
 
 The DB_NAME of the database incarnation to which this record belongs. 
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|  
 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. 
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|  
 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. 
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|  
 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. 
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|  
 CREATION_CHANGE# 
 | 
 
 NUMBER 
 | 
 
 The SCN at datafile creation. 
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|  
 CREATION_TIME 
 | 
 
 DATE 
 | 
 
 The time of datafile creation. 
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|  
 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. 
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|  
 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. 
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|  
 BLOCK_SIZE 
 | 
 
 NUMBER 
 | 
 
 The size of the data blocks in btyes. 
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|  
 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. 
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|  
 READ_ONLY 
 | 
 
 NUMBER 
 | 
 
 1 if the file is read-only; otherwise 0. 
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|  
 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. 
 |