SingleStore Managed Service

information_schema.STATISTICS

This table contains statistics about table indexes. It displays one row per column per index.

Column Name

Description

TABLE_CATALOG

This value is always def.

TABLE_SCHEMA

The name of the related schema (database) that a given table belongs to.

TABLE_NAME

The name of the related table for a given index.

NON_UNIQUE

If the index can contain duplicates, this is 1. If the index cannot contain duplicates, this is 0.

INDEX_SCHEMA

The name of the schema (database) that a given index belongs to. This value is the same as TABLE_SCHEMA.

INDEX_NAME

The name of a given index. This is primary if the index is a primary key.

SEQ_IN_INDEX

The sequential number of a column within a given index.

COLUMN_NAME

The name of a column within a given index.

COLLATION

If a given column is sorted ascending within an index, this value is A. If the column is sorted descending, it is D. If the column is not sorted, it is NULL.

CARDINALITY

This column is unused and is present only for compatibility reasons, its value is always 0.

SUB_PART

This column is unused and is present only for compatibility reasons, its value is always NULL.

PACKED

This column is unused and is present only for compatibility reasons, its value is always NULL.

NULLABLE

Whether a given column can contain NULL values.

INDEX_TYPE

The type of index.

COMMENT

This column is unused and is present only for compatibility reasons, its value is always empty.

INDEX_COMMENT

This column is unused and is present only for compatibility reasons, its value is always empty.