Oracle® Database Reference 11g Release 2 (11.2) Part Number E25513-03 |
|
|
PDF · Mobi · ePub |
V$RESULT_CACHE_OBJECTS
displays all the objects (both cached results and dependencies) and their attributes.
Column | Datatype | Description |
---|---|---|
ID |
NUMBER |
Identifier for the cache object (also the ID of the first block) |
TYPE |
VARCHAR2(10) |
Type of the cache object:
|
STATUS |
VARCHAR2(9) |
Status of the object:
|
BUCKET_NO |
NUMBER |
Internal hash bucket for the object |
HASH |
NUMBER |
Hash value for the object |
NAME |
VARCHAR2(128) |
Name (for example, SQL prefix or PL/SQL function name) |
NAMESPACE |
VARCHAR2(5) |
Namespace:
|
CREATION_TIMESTAMP |
DATE |
Time when the object was created |
CREATOR_UID |
NUMBER |
UID that created the object |
DEPEND_COUNT |
NUMBER |
Number of dependencies (TYPE = Result ) or dependents (TYPE = Dependency ) |
BLOCK_COUNT |
NUMBER |
Total number of blocks in the cached object |
SCN |
NUMBER |
Build SCN (TYPE = Result ) or invalidation SCN (TYPE = Dependency ) |
COLUMN_COUNT |
NUMBER |
Number of columns in the cached resultFoot 1 |
PIN_COUNT |
NUMBER |
Number of active scans on this resultFootref 1 |
SCAN_COUNT |
NUMBER |
Total number of scans initiated on the cached resultFootref 1 |
ROW_COUNT |
NUMBER |
Total number of rows in the cached resultFootref 1 |
ROW_SIZE_MAX |
NUMBER |
Size of the largest row (in bytes)Footref 1 |
ROW_SIZE_MIN |
NUMBER |
Size of the smallest row (in bytes)Footref 1 |
ROW_SIZE_AVG |
NUMBER |
Average size of a row (in bytes)Footref 1 |
BUILD_TIME |
NUMBER |
Amount of time (in hundredths of a second) it took to build the cached resultFootref 1 |
LRU_NUMBER |
NUMBER |
LRU list position (the smaller the value, the more recent the usage)Footref 1 |
OBJECT_NO |
NUMBER |
Dictionary object number of the dependency objectFoot 2 |
INVALIDATIONS |
NUMBER |
Number of times the object has invalidated its dependentsFootref 2 |
SPACE_OVERHEAD |
NUMBER |
Overhead (in bytes) for the resultFootref 1 |
SPACE_UNUSED |
NUMBER |
Unused space (in bytes) for the resultFootref 1 |
CACHE_ID |
VARCHAR2(93) |
CacheId for the result (object name if it's a dependency) |
CACHE_KEY |
VARCHAR2(93) |
CacheKey for the result (object name if it's a dependency) |
Footnote 1 These columns are only valid for TYPE
= Result
; otherwise, they are NULL.
Footnote 2 These columns are only valid for TYPE
= Dependency
; otherwise, they are NULL.