35.34. referential_constraints
referential_constraints
The view referential_constraints contains all referential (foreign key) constraints in the current database.
Only those constraints are shown for which the current user has write access to the referencing table (by way of being the owner or having some privilege other than SELECT).
Column Type Description |
|---|
constraint_catalog Name of the database containing the constraint (always the current database) |
constraint_schema Name of the schema containing the constraint |
constraint_name Name of the constraint |
unique_constraint_catalog Name of the database that contains the unique or primary key constraint that the foreign key constraint references (always the current database) |
unique_constraint_schema Name of the schema that contains the unique or primary key constraint that the foreign key constraint references |
unique_constraint_name Name of the unique or primary key constraint that the foreign key constraint references |
match_option Match option of the foreign key constraint: |
update_rule Update rule of the foreign key constraint: |
delete_rule Delete rule of the foreign key constraint: |
: referential_constraints Columns