|  
 FILE_ID 
 | 
 
 NUMBER 
 | 
 
 NOT NULL 
 | 
 
 Datafile identifier number (to find the file name, query DBA_DATA_FILES or V$DBFILES) 
 | 
|  
 FILE_NAME 
 | 
 
 NUMBER 
 | 
 | 
 
 The file name 
 | 
|  
 TS_NAME 
 | 
 
 VARCHAR2(30) 
 | 
 
 NOT NULL 
 | 
 
 Datafile identifier number (to find file name, query DBA_DATA_FILES or V$DBFILES) 
 | 
|  
 FREQUENCY 
 | 
 
 NUMBER 
 | 
 | 
 
 The ping count 
 | 
|  
 X_2_NULL 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of lock conversions from Exclusive-to-NULL for all blocks in the file 
 | 
|  
 X_2_NULL_FORCED_WRITE 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of forced writes that occur for blocks of the specified file due to Exclusive-to-NULL conversions 
 | 
|  
 X_2_NULL_FORCED_STALE 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of times a block in the file was made STALE due to Exclusive-to-NULL conversions 
 | 
|  
 X_2_S 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of lock conversions from Exclusive-to-Shared for all blocks in the file 
 | 
|  
 X_2_S_FORCED_WRITES 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of forced writes that occur for blocks of the specified file due to Exclusive-to-Shared conversions 
 | 
|  
 X_2_SSX 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of lock conversions from Exclusive-to-Sub Shared Exclusive for all blocks in the file 
 | 
|  
 X_2_SSX_FORCED_WRITES 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of forced writes that occur for blocks of the specified file due to Exclusive-to-Sub Shared Exclusive conversions 
 | 
|  
 S_2_NULL 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of lock conversions from Shared-to-NULL for all blocks in the file 
 | 
|  
 S_2_NULL_FORCED_STALE 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of times a block in the file was made STALE due to Shared-to-NULL conversions 
 | 
|  
 SS_2_NULL 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of lock conversions from Sub Shared-to-NULL for all blocks in the file 
 | 
|  
 WRB 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of times the instance received a write single buffer cross instance call for this file 
 | 
|  
 WRB_FORCED_WRITE 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of blocks written due to write single buffer cross instance calls for this file 
 | 
|  
 RBR 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of times the instance received a reuse block range cross instance call for this file 
 | 
|  
 RBR_FORCED_WRITE 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of blocks written due to resuse block range cross instance calls for this file 
 | 
|  
 RBR_FORCED_STALE 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of times a block in this file was made STALE due to resuse block range cross instance calls 
 | 
|  
 CBR 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of times the instance received a checkpoint block range cross instance call for this file 
 | 
|  
 CBR_FORCED_WRITE 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of blocks in this file which were written due to checkpoint cross range cross instance calls 
 | 
|  
 NULL_2_X 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of lock conversions from NULL-to-Exclusive for all blocks of the specified file 
 | 
|  
 S_2_X 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of lock conversions from Shared-to-Exclusive for all blocks of the specified file 
 | 
|  
 SSX_2_X 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of lock conversions from Sub Shared Exclusive-to-Exclusive for all blocks of the specified file 
 | 
|  
 N_2_S 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of lock conversions from NULL-to-Shared for all blocks of the specified file 
 | 
|  
 N_2_SS 
 | 
 
 NUMBER 
 | 
 | 
 
 Number of lock conversions from NULL-to-Sub Shared for all blocks of the specified file 
 |