| Table Name | Description |
| ALL_DIM_LEVEL_KEY | Representations of columns of a dimension level |
| Column ID | Column name | Data type | Length | Precision | NULL | Description |
| 1 | OWNER | VARCHAR2 | 30 | (null) | N | Owner of the dimension |
| 2 | DIMENSION_NAME | VARCHAR2 | 30 | (null) | N | Name of the dimension |
| 3 | LEVEL_NAME | VARCHAR2 | 30 | (null) | Y | Name of the hierarchy level |
| 4 | KEY_POSITION | NUMBER | 22 | (null) | N | Ordinal position of the key column within the level |
| 5 | COLUMN_NAME | VARCHAR2 | 30 | (null) | N | Name of the key column |