该参数是动态参数,执行alter system set " _system_trig_enabled"=false; 将参数设置为false
SQL> alter system set "_system_trig_enabled"=false;
System altered.
SQL> show parameter _system_trig_enabled
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
_system_trig_enabled boolean FALSE
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升级完毕后再改回去
alter system set " _system_trig_enabled"=true;