title: oracle times out even when query is executed
body: <p>We are using oracle 12.1 at work.  We have issues with the oracle session timing out after the 15 minute mark even after executing sqls(select/update/insert/delete).  The sqls are not long running(usually executes in less than 10 seconds)It does not do this consistently and it does not seem to matter which tool we use(SQLplus, PL/SQL, Advanced Query Tool, Powerbuilder).  </p>
  
  <p>Please note that the timeout is set to 15 mins and we cannot change this due to federal regulations.  Any hints or suggestions would be greatly appreciated.</p>