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Warning:
CockroachDB v2.1 is no longer supported as of April 30, 2020. For more details, refer to the Release Support Policy.
New in v2.1: The SHOW STATISTICS statement lists table statistics used by the cost-based optimizer.
Warning:
This is an experimental feature. The interface and output are subject to change.
Synopsis
Required Privileges
No privileges are required to list table statistics.
Parameters
| Parameter | Description |
|---|---|
table_name |
The name of the table you want to view statistics for. |
Examples
List table statistics
> CREATE STATISTICS students ON id FROM students_by_list;
CREATE STATISTICS
> SHOW STATISTICS FOR TABLE students_by_list;
statistics_name | column_names | created | row_count | distinct_count | null_count | histogram_id
+-----------------+--------------+----------------------------------+-----------+----------------+------------+--------------+
students | {"id"} | 2018-10-26 15:06:34.320165+00:00 | 0 | 0 | 0 | NULL
(1 row)
See Also
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