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TNS:packet writer failure
see ORA-12699
missing right parenthesis
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Re: Using a trigger to turn on tracing

Mladen Gogala

2004-02-13

Replies:
Or the trigger must invoke a procedure owned by someone having 'ALTER
SESSION' privilege.
On 02/13/2004 01:29:48 PM, Paul Baumgartel wrote:
> The user must have ALTER SESSION granted directly, not via a role.
>
>
> --- "Schauss, Peter" <peter.schauss@(protected):
> > I am trying to use a trigger to turn on tracing for a specified
> user.
> > I copied the example from Cary Millsap's _Optimizing Oracle
> > Performance_.
> >
> > The text of the trigger is:
> >
> > create or replace trigger trace_user after logon on database
> > begin
> >   if user = 'TEST' then
> >    execute immediate 'alter session set
> timed_statistics =
> > true';
> >    execute immediate 'alter session set
> max_dump_file_size =
> > unlimited';
> >    execute immediate
> >        'alter session set events ''10046
> trace name
> > context forever, level 8''';
> >   end if;
> > end;
> > /
> >
> > When I try to log on as user TEST, I get:
> >
> > ORA-00604: error occurred at recursive SQL level 1
> > ORA-01031: insufficient privileges
> > ORA-06512: at line 5
> >
> > What privilege does TEST need here?
> >
> > Thanks,
> > Peter Schauss
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