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Oracle® Database Reference 10g Release 2 (10.2) Part Number B14237-02 |
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# ALL_TAB_HISTOGRAMS

`ALL_TAB_HISTOGRAMS` describes histograms on tables and views accessible to the current user.

Related Views

- `DBA_TAB_HISTOGRAMS` describes histograms on all tables and views in the database.

- `USER_TAB_HISTOGRAMS` describes histograms on all tables and views owned by the current user. This view does not display the `OWNER` column.

Note: These views are populated only if you called statistics on the index using the `ANALYZE` statement or the `DBMS_STATS` package.

Column | Datatype | NULL | Description
--- | --- | --- | ---
`OWNER` | `VARCHAR2(30)` |  | Owner of table
`TABLE_NAME` | `VARCHAR2(30)` |  | Name of the table
`COLUMN_NAME` | `VARCHAR2(4000)` |  | Column name or attribute of the object type column
`ENDPOINT_NUMBER` | `NUMBER` |  | Histogram bucket number
`ENDPOINT_VALUE` | `NUMBER` |  | Normalized endpoint value for this bucket
`ENDPOINT_ACTUAL_VALUE` | `VARCHAR2(1000)` |  | Actual (not normalized) string value of the endpoint for this bucket