oracle触发器中增删改查本表

create or replace trigger tri_test_ins 
before insert
on test
for each row
declare
  v_cnt integer;
begin
 select count(*) into v_cnt from test;
 dbms_output.put_line('test count:'||to_char(v_cnt));
 update test set a9='99';
end;

create or replace trigger tri_test_ins
after update
on test
for each row
declare
  v_cnt integer;
  PRAGMA AUTONOMOUS_TRANSACTION;
begin
 begin
        select count(*) into v_cnt from test;
        dbms_output.put_line('test count:'||to_char(v_cnt));
 end;
end;