DBA_CONS_COLUMNS
Information about accessible columns in constraint definitions.
| Name | Datatype | Length | Mandatory | Comments |
|---|---|---|---|---|
| OWNER | VARCHAR2 | (30) | Yes | Owner of the constraint definition |
| CONSTRAINT_NAME | VARCHAR2 | (30) | Yes | Name associated with the constraint definition |
| TABLE_NAME | VARCHAR2 | (30) | Yes | Name associated with table with constraint definition |
| COLUMN_NAME | VARCHAR2 | (4000) | Name associated with column or attribute of object column specified in the constraint definition | |
| POSITION | NUMBER | Original position of column or attribute in definition |
Usage:
cursor cur_list_cons_columns(cv_cons_name in dba_cons_columns.constraint_name%type
, c_owner in dba_objects.owner%type)
-- list the columns for a given constraint
is select cc.column_name
from dba_cons_columns cc
where cc.constraint_name = cv_cons_name
and cc.owner = c_owner
order by cc.position;