如何在高级的复制中切换主体定义站点

 SQL> BEGIN
  2  DBMS_REPCAT.RELOCATE_MASTERDEF (
  3        gname => 'rep_tt',
  4        old_masterdef => 'CONNER.HURRAY.COM.CN',
  5        new_masterdef => 'TESTORA9.HURRAY.COM.CN',
  6        notify_masters => TRUE,
  7        include_old_masterdef => FALSE);
  8  END;
  9  /

PL/SQL procedure successfully completed.

 SQL> execute dbms_repcat.remove_master_databases

(gname=>'rep_tt',master_list=>'CONNER.HURRAY.COM.CN');

PL/SQL procedure successfully completed

 SQL> connect scott/tiger
Connected.
SQL> select * from dept;

    DEPTNO DNAME          LOC
---------- -------------- -------------
        10 ACCOUNTING     NEW YORK
        20 RESEARCH       DALLAS
        30 SALES          CHICAGO
        40 OPERATIONS     BOSTON
        60 ORACLE         BEIJING
        70 oracle         beijing

6 rows selected.

SQL> insert into dept values (80,'oracle','beijing');

1 row created.

SQL> commit;

Commit complete.

SQL>