2.127 ALL_CONS_COLUMNS

ALL_CONS_COLUMNS describes columns that are accessible to the current user and that are specified in constraints.

Related Views

  • DBA_CONS_COLUMNS describes all columns in the database that are specified in constraints.

  • USER_CONS_COLUMNS describes columns that are owned by the current user and that are specified in constraints.

Column Datatype NULL Description

OWNER

VARCHAR2(128)

NOT NULL

Owner of the constraint definition

CONSTRAINT_NAME

VARCHAR2(128)

NOT NULL

Name of the constraint definition

TABLE_NAME

VARCHAR2(128)

NOT NULL

Name of the table with the constraint definition

COLUMN_NAME

VARCHAR2(4000)

Name of the column or attribute of the object type column specified in the constraint definition

Note: If you create a constraint on a user-defined REF column, the system creates the constraint on the attributes that make up the REF column. Therefore, the column names displayed in this view are the attribute names, with the REF column name as a prefix, in the following form:
"REF_name"."attribute"

POSITION

NUMBER

Original position of the column or attribute in the definition of the object