FILE# |
NUMBER |
Datafile identifier number (to find filename, query DBA_DATA_FILES or V$DBFILES ) |
BLOCK# |
NUMBER |
Block number |
CLASS# |
NUMBER |
Class number |
STATUS |
VARCHAR2(1) |
Status of block:
FREE = not currently in use
XCUR = exclusive
SCUR = shared current
CR = consistent read
READ = being read from disk
MREC = in media recovery mode
IREC = in instance recovery mode
|
XNC |
NUMBER |
Number of PCM x to null lock conversions due to contention with another instance. This column is obsolete but is retained for historical compatibility |
FORCED_READS |
NUMBER |
The forced reads |
FORCED_WRITES |
NUMBER |
The forced writes |
NAME |
VARCHAR2(30) |
Name of the database object containing the block |
PARTITION_NAME |
VARCHAR2(30) |
The name of the partition; NULL for non-partitioned objects |
KIND |
VARCHAR2(12) |
Type of database object: |
|
|
- 1: index
- 2: table
- 3: cluster
- 4: view
- 5: synonym
- 6: sequence
- 7: procedure
- 8: function
- 9: package
- 10: nonexistent
|
- 11: package body
- 12: trigger
- 13: type
- 14: type body
- 19: table partition
- 20: index partition
- 21: LOB
- 22: library
- Null: Unknown
|
OWNER# |
NUMBER |
Owner number |
LOCK_ELEMENT_ADDR |
RAW(4) |
The address of the lock element that contains the PCM lock that is covering the buffer. If more than one buffer has the same address, then these buffers are covered by the same PCM lock |
LOCK_ELEMENT_NAME |
NUMBER |
The address of the lock element that contains the PCM lock that is covering the buffer. If more than one buffer has the same address, then these buffers are covered by the same PCM lock |