Note
This view is available starting with V2.2.77.
Purpose
This view displays the columns of the primary partitioning key in all partitioned objects of the current tenant.
Columns
| Column | Type | Nullable | Description |
|---|---|---|---|
| OWNER | VARCHAR2(128) | NO | The owner of the partitioned table or partitioned index. |
| NAME | VARCHAR2(128) | NO | The name of the partitioned table or partitioned index. |
| OBJECT_TYPE | CHAR(5) | NO | The type of the partitioned object. Valid values:
|
| COLUMN_NAME | VARCHAR2(4000) | NO | The name of the column. |
| COLUMN_POSITION | NUMBER | NO | The position of the column in the primary partitioning key. |
| COLLATED_COLUMN_ID | NUMBER | NO | This column is not supported. The value of this column is NULL by default. |
Sample query
Query the columns of the primary partitioning key in the partitioned table TBL1_H of the current user tenant.
obclient [SYS]> SELECT * FROM SYS.DBA_PART_KEY_COLUMNS WHERE NAME='TBL1_H';
The query result is as follows:
+-------+--------+-------------+-------------+-----------------+--------------------+
| OWNER | NAME | OBJECT_TYPE | COLUMN_NAME | COLUMN_POSITION | COLLATED_COLUMN_ID |
+-------+--------+-------------+-------------+-----------------+--------------------+
| SYS | TBL1_H | TABLE | COL1 | 1 | NULL |
+-------+--------+-------------+-------------+-----------------+--------------------+
1 row in set
References
Query the columns of the primary partitioning key in all partitioned objects of all tenants: CDB_PART_KEY_COLUMNS
Query the columns of the primary partitioning key in partitioned objects accessible to the current user: ALL_PART_KEY_COLUMNS
Query the columns of the primary partitioning key in partitioned objects owned by the current user: USER_PART_KEY_COLUMNS
