Note
This view is introduced in V3.2.1.
Purpose
The ALL_PART_COL_STATISTICS view displays the column statistics and histograms of the primary partitions of the partitioned tables that the current user can access.
Applicability
This view is available only in Oracle mode.
Sample query
Query the column statistics and histograms of the primary partitions of the T_SUBPART table in the partitioned tables that the current user can access.
obclient [SYS]> SELECT * FROM SYS.ALL_PART_COL_STATISTICS WHERE TABLE_NAME='T_SUBPART';
The query result is as follows:
+-------+------------+----------------+-------------+--------------+-----------+------------+-----------------------+-----------+-------------+-------------+---------------+--------------+------------+-------+-------------+-----------+
| OWNER | TABLE_NAME | PARTITION_NAME | COLUMN_NAME | NUM_DISTINCT | LOW_VALUE | HIGH_VALUE | DENSITY | NUM_NULLS | NUM_BUCKETS | SAMPLE_SIZE | LAST_ANALYZED | GLOBAL_STATS | USER_STATS | NOTES | AVG_COL_LEN | HISTOGRAM |
+-------+------------+----------------+-------------+--------------+-----------+------------+-----------------------+-----------+-------------+-------------+---------------+--------------+------------+-------+-------------+-----------+
| SYS | T_SUBPART | P2 | C1 | 2658 | 3 | 9995 | .00037622272385252068 | 0 | 5 | 2504 | 17-MAR-25 | NO | NO | NULL | 20 | HYBRID |
| SYS | T_SUBPART | P1 | C1 | 4986 | 0 | 9999 | .00020056157240272763 | 0 | 5 | 4966 | 17-MAR-25 | NO | NO | NULL | 20 | HYBRID |
| SYS | T_SUBPART | P0 | C1 | 2646 | 2 | 9998 | .0003779289493575208 | 0 | 5 | 2530 | 17-MAR-25 | NO | NO | NULL | 20 | HYBRID |
| SYS | T_SUBPART | P2 | C2 | 965 | 1 | 999 | .0010362694300518134 | 0 | 5 | 2504 | 17-MAR-25 | NO | NO | NULL | 20 | HYBRID |
| SYS | T_SUBPART | P1 | C2 | 1031 | 0 | 999 | .00096993210475266732 | 0 | 5 | 4966 | 17-MAR-25 | NO | NO | NULL | 20 | HYBRID |
| SYS | T_SUBPART | P0 | C2 | 975 | 0 | 999 | .0010256410256410256 | 0 | 5 | 2530 | 17-MAR-25 | NO | NO | NULL | 20 | HYBRID |
| SYS | T_SUBPART | P2 | C3 | 1498 | 1 | 1999 | .00066755674232309744 | 0 | 5 | 2504 | 17-MAR-25 | NO | NO | NULL | 20 | HYBRID |
| SYS | T_SUBPART | P1 | C3 | 1933 | 0 | 1999 | .00051733057423693739 | 0 | 5 | 4966 | 17-MAR-25 | NO | NO | NULL | 20 | HYBRID |
| SYS | T_SUBPART | P0 | C3 | 1529 | 0 | 1999 | .00065402223675604975 | 0 | 5 | 2530 | 17-MAR-25 | NO | NO | NULL | 20 | HYBRID |
+-------+------------+----------------+-------------+--------------+-----------+------------+-----------------------+-----------+-------------+-------------+---------------+--------------+------------+-------+-------------+-----------+
9 rows in set
References
View the column statistics of all partitions in all partitioned tables in the current tenant: DBA_PART_COL_STATISTICS
View the column statistics of all partitions in all partitioned tables that you own: USER_PART_COL_STATISTICS
View table-level column statistics by querying the following views:
View global column statistics by querying the following views:
View subpartition-level column statistics by querying the following views:
View table-level histogram statistics by querying the following views:
View partition-level histogram statistics by querying the following views:
View subpartition-level histogram statistics by querying the following views:
View index statistics by querying the following views:
For more information about how to collect statistics, see the following topics:
