Problems encountered in creating triggers in Oracle

1.

wrong description

ORACLE-04082: NEW or OLD references not allowed in table level triggers

solution:

new and :old can only be used for row-level triggers, not statement-level triggers, just add the sentence FOR EACH ROW

create or replace trigger drs_asynchronous_trig
  before insert on drs_asynchronous  
  FOR EACH ROW
declare
  -- local variables here
  v_trigger_user  varchar2(100);
  v_trigger_date  date;
  v_sqlcode       varchar2(6);
  v_sqlerrm       varchar2(200);
  v_error_comment varchar2(300);
begin
  v_error_comment := 'before get_user';
  v_trigger_user  := user;
  v_trigger_date  := sysdate;
  :new.FCU        := v_trigger_user;
  :new.FCD        := v_trigger_date;
  :new.LCU        := v_trigger_user;
  :new.LCD        := v_trigger_date;
  SELECT DRS_ASYNCHRONOUS_ID_SEQ.NEXTVAL INTO :NEW.PK_SERIAL# FROM DUAL;
exception
  when others then
    v_sqlcode := sqlcode;
    v_sqlerrm := substr(sqlerrm, 1, 200);

    INSERT INTO tr_error_log
      (error_no,
       error_message,
       trigger_name,
       trigger_user,
       trigger_date,
       error_comment
       )
    VALUES
      (v_sqlcode,
       v_sqlerrm,
       'drs_asynchronous_trig',
       v_trigger_user,
       v_trigger_date,
       v_error_comment);

end drs_asynchronous_trig;

 

2. The resume trigger permission is insufficient, you need a system dba identity to enter, modify the assignment

conn / as sysdba;
grant create any trigger to kl;

If you are afraid of trouble, just
grant dba to kl;

 

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