title: Trigger compiled successfully but still not firing as desired
body: <p>Here is my simple PL/SQL code for demonstration purpose.</p>
  
  <pre><code>create table cust(cname varchar(10));
  set SERVEROUTPUT ON;
  create or replace trigger tgr
  before insert on cust
  for each row
  enable
  begin
  dbms_output.put_line('Trigger hit on insert');
  end;
  /
  insert into cust values('John');
  </code></pre>
  
  <p>OUTPUT:/</p>
  
  <pre><code>Table CUST created
  Trigger TGR compiled
  1 row inserted // *EXPECTING* Trigger hit on insert
  </code></pre>