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Oracle® Database Reference
11g Release 2 (11.2)

E40402-10
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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