Using a trigger to turn on tracing

From: Schauss, Peter <peter.schauss_at_ngc.com>
Date: Fri, 13 Feb 2004 08:36:41 -0800
Message-ID: <A17F427EF83B5D4881E6B304F8781C5E475429@xcgny001.northgrum.com>

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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Received on Fri Feb 13 2004 - 10:36:41 CST