DBA_CLU_COLUMNS maps all table columns to related cluster columns.
USER_CLU_COLUMNS maps all table columns owned by the current user to related cluster columns. This view does not display the OWNER column.
| Column | Datatype | NULL | Description |
| OWNER | VARCHAR2(30) | NOT NULL | Owner of the cluster |
| CLUSTER_NAME | VARCHAR2(30) | NOT NULL | Name of the cluster |
| CLU_COLUMN_NAME | VARCHAR2(30) | NOT NULL | Key column in the cluster |
| TABLE_NAME | VARCHAR2(30) | NOT NULL | Clustered table name |
| TAB_COLUMN_NAME | VARCHAR2(4000) | | Key column or attribute of the object type column |
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