INDEX_HISTOGRAM

INDEX_HISTOGRAM contains information from the ANALYZE INDEX ... VALIDATE STRUCTURE statement.

Note:

The ANALYZE INDEX ... VALIDATE STRUCTURE OFFLINE statement must be used in order to collect statistics.

Column	Datatype	NULL	Description
`REPEAT_COUNT`	`NUMBER`		Number of times that one or more index keys is repeated in the table
`KEYS_WITH_REPEAT_COUNT`	`NUMBER`		Number of index keys that are repeated that many times