DBA_INDEXES
Tespaces libres (trous) dans les tablespaces.
Nom de la colonne | Description |
AVG_LEAF_BLOCKS_PER_KEY | The average number of leaf blocks per key |
AVG_DATA_BLOCKS_PER_KEY | The average number of data blocks per key |
CLUSTERING_FACTOR |
A measurement of the amount of (dis)order of the table this index is for
|
STATUS | Whether index is in Direct Load State |
OWNER | Username of the owner of the index |
INDEX_NAME | Name of the index |
TABLE_OWNER | Owner of the indexed object |
TABLE_NAME | Name of the indexed object |
TABLE_TYPE | Type of the indexed object |
UNIQUENESS | Uniqueness status of the index: UNIQUE or NONUNIQUE |
TABLESPACE_NAME | Name of the tablespace containing the index |
INI_TRANS | Initial number of transactions |
MAX_TRANS | Maximum number of transactions |
INITIAL_EXTENT | Size of the initial extent |
NEXT_EXTENT | Size of secondary extents |
MIN_EXTENTS | Minimum number of extents allowed in the segment |
PCT_INCREASE | Percentage increase in extent size |
FREELISTS | Number of process freelists allocated to this segment |
PCT_FREE | Minimum percentage of free space in a block |
BLEVEL |
B-Tree
level: depth of the index from its root block to its leaf blocks. A depth of
0 indicates that the root block and leaf block are the same.
|
LEAF_BLOCKS | The number of leaf blocks in the index |
DISTINCT_KEYS | The number of distinct keys in the index |