Purpose
DBA_INDEXES displays the indexes on all tables in the database.
Related views
USER_INDEXES
ALL_INDEXES
Fields
| Field | Type | Nullable? | Description |
|---|---|---|---|
| OWNER | VARCHAR2(128) | NO | The owner of the index. |
| INDEX_NAME | VARCHAR2(128) | NO | The name of the index. |
| INDEX_TYPE | VARCHAR2(27) | YES | The type of the index. |
| TABLE_OWNER | VARCHAR2(128) | NO | The owner of the indexed object. |
| TABLE_NAME | VARCHAR2(128) | NO | The name of the indexed object. |
| TABLE_TYPE | CHAR(5) | YES | The type of the indexed object. |
| UNIQUENESS | VARCHAR2(9) | YES | Indicates whether the index is unique. |
| COMPRESSION | VARCHAR2(8) | YES | Indicates whether the index is compressed. |
| PREFIX_LENGTH | NUMBER | YES | The number of columns in the prefix of the compressed index. At present, this field is not supported and is NULL by default. |
| TABLESPACE_NAME | VARCHAR2(30) | YES | The name of the tablespace containing the index. |
| INI_TRANS | NUMBER | YES | The initial number of transactions. At present, this field is not supported and is NULL by default. |
| MAX_TRANS | NUMBER | YES | The maximum number of transactions. At present, this field is not supported and is NULL by default. |
| INITIAL_EXTENT | NUMBER | YES | The size of the initial extent. At present, this field is not supported and is NULL by default. |
| NEXT_EXTENT | NUMBER | YES | The size of secondary extents. At present, this field is not supported and is NULL by default. |
| MIN_EXTENTS | NUMBER | YES | The minimum number of extents allowed in the segment. At present, this field is not supported and is NULL by default. |
| MAX_EXTENTS | NUMBER | YES | The maximum number of extents allowed in the segment. At present, this field is not supported and is NULL by default. |
| PCT_INCREASE | NUMBER | YES | The percentage increase in extent size. At present, this field is not supported and is NULL by default. |
| PCT_THRESHOLD | NUMBER | YES | The percentage of block space allowed for each index. At present, this field is not supported and is NULL by default. |
| INCLUDE_COLUMN | NUMBER | YES | The column ID of the last column in the primary key of the index-organized table. At present, this field is not supported and is NULL by default. |
| FREELISTS | NUMBER | YES | The number of process freelists allocated to each segment. At present, this field is not supported and is NULL by default. |
| FREELIST_GROUPS | NUMBER | YES | The number of freelist groups allocated to each segment. At present, this field is not supported and is NULL by default. |
| PCT_FREE | NUMBER | YES | The minimum percentage of free space in a block. At present, this field is not supported and is NULL by default. |
| LOGGING | VARCHAR2(3) | YES | Indicates whether logs are recorded for changes to the index. At present, this field is not supported and is NULL by default. |
| BLEVEL | NUMBER | YES | The B*-tree level. At present, this field is not supported and is NULL by default. |
| LEAF_BLOCKS | NUMBER | YES | The number of leaf blocks in the index. At present, this field is not supported and is NULL by default. |
| DISTINCT_KEYS | NUMBER | YES | The number of distinct indexed values. At present, this field is not supported and is NULL by default. |
| AVG_LEAF_BLOCKS_PER_KEY | NUMBER | YES | At present, this field is not supported and is NULL by default. |
| AVG_DATA_BLOCKS_PER_KEY | NUMBER | YES | At present, this field is not supported and is NULL by default. |
| CLUSTERING_FACTOR | NUMBER | YES | At present, this field is not supported and is NULL by default. |
| STATUS | VARCHAR2(10) | YES | Indicates whether a nonpartitioned index is VALID or UNUSABLE. |
| NUM_ROWS | NUMBER | YES | At present, this field is not supported and is NULL by default. |
| SAMPLE_SIZE | NUMBER | YES | At present, this field is not supported and is NULL by default. |
| LAST_ANALYZED | DATE | YES | At present, this field is not supported and is NULL by default. |
| DEGREE | VARCHAR2(40) | YES | At present, this field is not supported and is NULL by default. |
| INSTANCES | VARCHAR2(40) | YES | At present, this field is not supported and is NULL by default. |
| PARTITIONED | VARCHAR2(3) | YES | Indicates whether the index is partitioned. |
| TEMPORARY | VARCHAR2(1) | YES | At present, this field is not supported and is NULL by default. |
| GENERATED | VARCHAR2(1) | YES | At present, this field is not supported and is NULL by default. |
| SECONDARY | VARCHAR2(1) | YES | At present, this field is not supported and is NULL by default. |
| BUFFER_POOL | VARCHAR2(7) | YES | At present, this field is not supported and is NULL by default. |
| FLASH_CACHE | VARCHAR2(7) | YES | At present, this field is not supported and is NULL by default. |
| CELL_FLASH_CACHE | VARCHAR2(7) | YES | At present, this field is not supported and is NULL by default. |
| USER_STATS | VARCHAR2(3) | YES | At present, this field is not supported and is NULL by default. |
| DURATION | VARCHAR2(15) | YES | At present, this field is not supported and is NULL by default. |
| PCT_DIRECT_ACCESS | NUMBER | YES | At present, this field is not supported and is NULL by default. |
| ITYP_OWNER | VARCHAR2(30) | YES | At present, this field is not supported and is NULL by default. |
| ITYP_NAME | VARCHAR2(30) | YES | At present, this field is not supported and is NULL by default. |
| PARAMETERS | VARCHAR2(1000) | YES | At present, this field is not supported and is NULL by default. |
| GLOBAL_STATS | VARCHAR2(3) | YES | At present, this field is not supported and is NULL by default. |
| DOMIDX_STATUS | VARCHAR2(12) | YES | At present, this field is not supported and is NULL by default. |
| DOMIDX_OPSTATUS | VARCHAR2(6) | YES | At present, this field is not supported and is NULL by default. |
| FUNCIDX_STATUS | VARCHAR2(8) | YES | The status of a function-based index. |
| JOIN_INDEX | VARCHAR2(3) | YES | Indicates whether the index is a join index. |
| IOT_REDUNDANT_PKEY_ELIM | VARCHAR2(3) | YES | At present, this field is not supported and is NULL by default. |
| DROPPED | VARCHAR2(9) | YES | Indicates whether the index has been dropped and moved to the recycle bin. |
| VISIBILITY | VARCHAR2(10) | YES | Indicates whether the index is visible to the optimizer. |
| DOMIDX_MANAGEMENT | VARCHAR2(14) | YES | At present, this field is not supported and is NULL by default. |
| SEGMENT_CREATED | VARCHAR2(3) | YES | At present, this field is not supported and is NULL by default. |
