SQL> exec dbms_alert.register('alert1');
PL/SQL procedure successfully completed.
SQL> exec dbms_alert.remove('alert1');
PL/SQL procedure successfully completed.
SQL> exec dbms_alert.register('alert1');
PL/SQL procedure successfully completed.
SQL> exec dbms_alert.removeall;
PL/SQL procedure successfully completed.
SQL> exec dbms_alert.set_defaults(20);
PL/SQL procedure successfully completed.
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/9240380/viewspace-670030/ ,如需转载,请注明出处,否则将追究法律责任。