Search notes:

Oracle: DBA_ENABLED_TRACES

dba_enabled_traces shows information about (standing) traces. Only traces that are enabled using one of the following methods will be reported:
This view comes in the two variants dba_enabled_traces and cdb_enabled_traces.
begin

   dbms_monitor.serv_mod_act_trace_enable(
      service_name  => 'ORA19',
      module_name   =>  dbms_monitor.all_modules,
      action_name   =>  dbms_monitor.all_actions,      
      binds         =>  true,
      instance_name =>  null,
      plan_stat     =>  null
   );

end;
/
select * from dba_enabled_trace;
begin

   dbms_monitor.serv_mod_act_trace_disable (
      service_name  => 'ORA19'
   );

end;
/

See also

Trace files
dba_enabled_trace selects from WRI$_TRACING_ENABLED.

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/developm...', 1758199475, '216.73.216.150', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/development/databases/Oracle/installed/data-dictionary/enabled/traces/index(73): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78