| Oracle® Database Reference 11g Release 2 (11.2) Part Number E25513-03  | 
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ALL_DIM_JOIN_KEY describes the joins between two dimension tables that are accessible to the current user. The join is always specified between a parent dimension level column and a child column.
DBA_DIM_JOIN_KEY describes all such joins in the database.
USER_DIM_JOIN_KEY describes all such joins owned by the current user.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
OWNER | 
VARCHAR2(30) | 
NOT NULL | 
Owner of the dimension | 
DIMENSION_NAME | 
VARCHAR2(30) | 
NOT NULL | 
Name of the dimension | 
DIM_KEY_ID | 
NUMBER | 
NOT NULL | 
Join key ID (unique within a dimension) | 
LEVEL_NAME | 
VARCHAR2(30) | 
Name of the hierarchy level | |
KEY_POSITION | 
NUMBER | 
NOT NULL | 
Ordinal position of the key column within the level | 
HIERARCHY_NAME | 
VARCHAR2(30) | 
Name of the hierarchy | |
CHILD_JOIN_OWNER | 
VARCHAR2(30) | 
NOT NULL | 
Owner of the join column table | 
CHILD_JOIN_TABLE | 
VARCHAR2(30) | 
NOT NULL | 
Name of the join column table | 
CHILD_JOIN_COLUMN | 
VARCHAR2(30) | 
NOT NULL | 
Name of the join column | 
CHILD_LEVEL_NAME | 
VARCHAR2(30) | 
Name of the child hierarchy level of the join key |