Disable foreign key : FOREIGN KEY « Table « Oracle PL/SQL Tutorial






SQL>
SQL> create table it
  2   (c1 number primary key,
  3    c2 number,
  4    c3 number);



SQL>
SQL> alter table it add constraint it_fk foreign key (c2) references emp disable;



SQL>
SQL>
SQL> select object_name as name, object_id
  2  from user_objects
  3  where object_name in ('T', 'IT');

IT                                                                                                                            14971

1 row selected.








6.16.FOREIGN KEY
6.16.1.Adding a FOREIGN KEY Constraint
6.16.2.ON DELETE CASCADE clause with a FOREIGN KEY constraint
6.16.3.Use the ON DELETE SET NULL clause with a FOREIGN KEY constraint
6.16.4.ORA-02298: cannot validate (JAVA2S.PRODUCT_ORDER_FK_PRODUCT) - parent keys not found
6.16.5.A foreign key to reference itself
6.16.6.ORA-02270: no matching unique or primary key for this column-list
6.16.7.Add constraint foreign key references
6.16.8.Violate a foreign key
6.16.9.Disable foreign key
6.16.10.Many to many using a primary-key and foreign-key relationship