You can use the table of exception when you activate a FK constraint?

Anyone know if its possible to use the exception table when you activate a FK constraint? I know that it works to allow a first key constraint, but have not been able to operate to allow a FK constraint. BTW, we use Oracle 11 GR 2.

Works for me.

SQL> create table exceptions
  2  (row_id          UROWID
  3  ,owner           VARCHAR2(30)
  4  ,table_name      VARCHAR2(30)
  5  ,constraint_name VARCHAR2(30));

Table created.

SQL> create table t1
  2  (col1 number not null);

Table created.

SQL> insert into t1 values (1);

1 row created.

SQL> insert into t1 values (2);

1 row created.

SQL> insert into t1 values (1);

1 row created.

SQL> commit;

Commit complete.

SQL> alter table t1 add constraint pk_t1 primary key (col1) exceptions into exceptions;
alter table t1 add constraint pk_t1 primary key (col1) exceptions into exceptions
                              *
ERROR at line 1:
ORA-02437: cannot validate (RIMS.PK_T1) - primary key violated

SQL> select * from exceptions;

ROW_ID                         OWNER    TABLE_NA CONSTRAINT_NAME
------------------------------ -------- -------- ------------------------------
AAB5jpAAWAAH2XTAAC             RIMS     T1       PK_T1
AAB5jpAAWAAH2XTAAA             RIMS     T1       PK_T1

SQL> delete from t1 where rowid = 'AAB5jpAAWAAH2XTAAC';

1 row deleted.

SQL> delete from exceptions;

2 rows deleted.

SQL> alter table t1 add constraint pk_t1 primary key (col1) exceptions into exceptions;

Table altered.

SQL> select * from exceptions;

no rows selected

SQL> create table t2
  2  (col1 number);

Table created.

SQL> insert into t2 values (1);

1 row created.

SQL> insert into t2 values (2);

1 row created.

SQL> insert into t2 values (3);

1 row created.

SQL> commit;

Commit complete.

SQL> alter table t2 add constraint fk_t2 foreign key (col1) references t1 (col1) exceptions into exceptions;
alter table t2 add constraint fk_t2 foreign key (col1) references t1 (col1) exceptions into exceptions
                              *
ERROR at line 1:
ORA-02298: cannot validate (RIMS.FK_T2) - parent keys not found

SQL> select * from exceptions;

ROW_ID                         OWNER    TABLE_NA CONSTRAINT_NAME
------------------------------ -------- -------- ------------------------------
AAB5jsAAWAAIP8rAAC             RIMS     T2       FK_T2

SQL> select * from t2 where rowid = 'AAB5jsAAWAAIP8rAAC';

      COL1
----------
         3

SQL>

Tags: Database

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