create or replace trigger T_sys_config_ddl_refuse_trig before ddl on schema declare v_ipaddress varchar2(20); begin select sys_context(‘userenv‘,‘ip_address‘) into v_ipaddress from dual; if v_ipaddress <> ‘192.168.1.21‘ then raise_application_error(-20099,‘Sorry,You can not execute the command.Please contact the DBA‘,false); end if; end; /
时间: 2024-10-04 10:51:11