| Table Name | Description |
| ALL_CONS_COLUMNS | Information about accessible columns in constraint definitions |
| Column ID | Column name | Data type | Length | Precision | NULL | Description |
| 1 | OWNER | VARCHAR2 | 30 | (null) | N | Owner of the constraint definition |
| 2 | CONSTRAINT_NAME | VARCHAR2 | 30 | (null) | N | Name associated with the constraint definition |
| 3 | TABLE_NAME | VARCHAR2 | 30 | (null) | N | Name associated with table with constraint definition |
| 4 | COLUMN_NAME | VARCHAR2 | 4000 | (null) | Y | Name associated with column or attribute of object column specified in the constraint definition |
| 5 | POSITION | NUMBER | 22 | (null) | Y | Original position of column or attribute in definition |