10.157 V$VECTOR_PARTITIONS_INDEX

V$VECTOR_PARTITIONS_INDEX displays diagnostic information about Inverted File Flat vector indexes.

This view is populated only on Oracle Autonomous Database Serverless (ADB-S).

Column Datatype Description

OWNER

VARCHAR2(129)

Owner of the index

INDEX_NAME

VARCHAR2(129)

Name of the index

PARTITION_NAME

VARCHAR2(129)

Object partition name

The value of this column is null for non-partitioned objects.

INDEX_OBJN

NUMBER

Index object number

CENTROIDS_ANCHOR_ADDRESS

RAW(8)

Address of the anchor structure hosting the centroids for the in-memory neighbor partitions index in the vector pool.

If in-memory centroids are unavailable for the index, the value of this column is 0.

INDEX_PARTITIONS_TYPE

VARCHAR2(129)

Index partition type

The value of this column is always IVF.

NUM_NEIGHBOR_PARTITIONS

NUMBER

Number of neighbor partitions created for the index

NUM_VECTORS

NUMBER

Number of indexed vectors in the index

MIN_PARTITION_VECTORS_COUNT

NUMBER

Number of vectors in the smallest neighbor partition

MAX_PARTITION_VECTORS_COUNT

NUMBER

Number of vectors in the largest neighbor partition

INDEX_USED_COUNT

NUMBER

Number of times the vector partition index has been used by queries

AVG_PARTITIONS_SCANNED

NUMBER

Average number of neighbor partitions scanned in order to answer queries.

This value is an average over the NEIGHBOR PROBES query parameter supported for an Inverted File neighbor partitions index

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data

Note:

This view is available starting with Oracle AI Database 26ai, Release Update 23.6.