DBA_INDEXES

2024-06-28 05:30:30  Updated

Purpose

The DBA_INDEXES view displays the indexes on all tables in the database.

Applicability

This topic applies only to OceanBase Database Enterprise Edition. OceanBase Database Community Edition provides only MySQL mode.

  • USER_INDEXES

  • ALL_INDEXES

Columns

Column 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) NO 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) NO The type of the indexed object.
UNIQUENESS VARCHAR2(9) NO Indicates whether the index is unique.
COMPRESSION VARCHAR2(13) NO Indicates whether the index is compressed.
PREFIX_LENGTH NUMBER NO The number of columns in the prefix of the compressed index. At present, this column is not supported and is NULL by default.
TABLESPACE_NAME VARCHAR2(30) NO The name of the tablespace containing the index.
INI_TRANS NUMBER NO The initial number of transactions. At present, this column is not supported and is NULL by default.
MAX_TRANS NUMBER NO The maximum number of transactions. At present, this column is not supported and is NULL by default.
INITIAL_EXTENT NUMBER NO The size of the initial extent. At present, this column is not supported and is NULL by default.
NEXT_EXTENT NUMBER NO The size of secondary extents. At present, this column is not supported and is NULL by default.
MIN_EXTENTS NUMBER NO The minimum number of extents allowed in the segment. At present, this column is not supported and is NULL by default.
MAX_EXTENTS NUMBER NO The maximum number of extents allowed in the segment. At present, this column is not supported and is NULL by default.
PCT_INCREASE NUMBER NO The percentage increase in extent size. At present, this column is not supported and is NULL by default.
PCT_THRESHOLD NUMBER NO The percentage of block space allowed for each index. At present, this column is not supported and is NULL by default.
INCLUDE_COLUMN NUMBER NO The column ID of the last column in the primary key of the index-organized table. At present, this column is not supported and is NULL by default.
FREELISTS NUMBER NO The number of process freelists allocated to each segment. At present, this column is not supported and is NULL by default.
FREELIST_GROUPS NUMBER NO The number of freelist groups allocated to each segment. At present, this column is not supported and is NULL by default.
PCT_FREE NUMBER NO The minimum percentage of free space in a block. At present, this column is not supported and is NULL by default.
LOGGING VARCHAR2(3) NO Indicates whether logs are recorded for changes to the index. At present, this column is not supported and is NULL by default.
BLEVEL NUMBER NO The B*-tree level. At present, this column is not supported and is NULL by default.
LEAF_BLOCKS NUMBER NO The number of leaf blocks in the index. At present, this column is not supported and is NULL by default.
DISTINCT_KEYS NUMBER NO The number of distinct indexed values. At present, this column is not supported and is NULL by default.
AVG_LEAF_BLOCKS_PER_KEY NUMBER NO At present, this column is not supported and is NULL by default.
AVG_DATA_BLOCKS_PER_KEY NUMBER NO At present, this column is not supported and is NULL by default.
CLUSTERING_FACTOR NUMBER NO At present, this column is not supported and is NULL by default.
STATUS VARCHAR2(8) NO Indicates whether a nonpartitioned index is VALID or UNUSABLE.
NUM_ROWS NUMBER NO At present, this column is not supported and is NULL by default.
SAMPLE_SIZE NUMBER NO At present, this column is not supported and is NULL by default.
LAST_ANALYZED DATE NO At present, this column is not supported and is NULL by default.
DEGREE VARCHAR2(40) NO At present, this column is not supported and is NULL by default.
INSTANCES VARCHAR2(40) NO At present, this column is not supported and is NULL by default.
PARTITIONED VARCHAR2(3) NO Indicates whether the index is a partitioned index.
TEMPORARY VARCHAR2(1) NO At present, this column is not supported and is NULL by default.
GENERATED VARCHAR2(1) NO At present, this column is not supported and is NULL by default.
SECONDARY VARCHAR2(1) NO At present, this column is not supported and is NULL by default.
BUFFER_POOL VARCHAR2(7) NO At present, this column is not supported and is NULL by default.
FLASH_CACHE VARCHAR2(7) NO At present, this column is not supported and is NULL by default.
CELL_FLASH_CACHE VARCHAR2(7) NO At present, this column is not supported and is NULL by default.
USER_STATS VARCHAR2(3) NO At present, this column is not supported and is NULL by default.
DURATION VARCHAR2(15) NO At present, this column is not supported and is NULL by default.
PCT_DIRECT_ACCESS NUMBER NO At present, this column is not supported and is NULL by default.
ITYP_OWNER VARCHAR2(128) NO At present, this column is not supported and is NULL by default.
ITYP_NAME VARCHAR2(128) NO At present, this column is not supported and is NULL by default.
PARAMETERS VARCHAR2(1000) NO At present, this column is not supported and is NULL by default.
GLOBAL_STATS VARCHAR2(3) NO At present, this column is not supported and is NULL by default.
DOMIDX_STATUS VARCHAR2(12) NO At present, this column is not supported and is NULL by default.
DOMIDX_OPSTATUS VARCHAR2(6) NO At present, this column is not supported and is NULL by default.
FUNCIDX_STATUS VARCHAR2(8) NO The status of a function-based index.
JOIN_INDEX VARCHAR2(3) NO Indicates whether the index is a join index.
IOT_REDUNDANT_PKEY_ELIM VARCHAR2(3) NO At present, this column is not supported and is NULL by default.
DROPPED VARCHAR2(3) NO Indicates whether the index has been dropped and moved to the recycle bin.
VISIBILITY VARCHAR2(9) NO Indicates whether the index is visible to the optimizer.
DOMIDX_MANAGEMENT VARCHAR2(14) NO At present, this column is not supported and is NULL by default.
SEGMENT_CREATED VARCHAR2(3) NO At present, this column is not supported and is NULL by default.
ORPHANED_ENTRIES VARCHAR2(3) NO Indicates whether the global index partition contains obsolete entries because index maintenance is delayed by the DROP PARTITION, TRUNCATE PARTITION, or MODIFY PARTITION INDEXING OFF operation. Valid values:
  • YES: The index partition contains orphaned entries.
  • NO: The index partition does not contain orphaned entries.
  • INDEXING VARCHAR2(7) NO Indicates whether the global index is separated from the base table. Valid values:
  • PARTIAL: The index is partial and follows the index attribute of the table.
  • FULL: The index contains all partitions of the table.
  • AUTO VARCHAR2(3) NO Indicates whether the index is an automatic index. Valid values:
  • YES
  • NO
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