GaussDB-DB_TAB_HISTOGRAMS
DB_TAB_HISTOGRAMS displays histogram statistics about the tables and views accessible to the current user, that is, the distribution of data in each column of the table. All users can access this view. This view exists in the PG_CATALOG and SYS schemas.
| Name | Type | Description |
|---|---|---|
| owner | character varying(128) | Table owner. |
| table_name | character varying(128) | Table name. |
| column_name | character varying(4000) | Column name or attribute of an object column. |
| endpoint_number | numeric | Bucket ID of the histogram. |
| endpoint_value | numeric | Not supported. Set it to NULL. |
| endpoint_actual_value | character varying(4000) | Actual value of the bucket endpoint. |
| endpoint_actual_value_raw | raw | Not supported. Set it to NULL. |
| endpoint_repeat_count | numeric | Not supported. Set it to NULL. |
| scope | character varying(7) | Not supported. Set it to SHARED. |
更多详情请参考GaussDB 文档中心：doc.hcs.huawei.com/db/zh-cn/ga…
