prompt dbms_sqltune.create_tuning_task(task_name=>'SQLTT_&1', sql_id=>'&1', time_limit=>&2)

var c_tt refcursor

DECLARE
    r CLOB;
    --r varchar2(32767);
    t varchar2(30) := 'SQLTT_&1';
BEGIN

    begin
        dbms_sqltune.drop_tuning_task(t);
    exception
        when others then null;
    end;
    
    r := dbms_sqltune.create_tuning_task(task_name=>t, sql_id=>'&1', time_limit=>&2);
    dbms_output.put_line('r='||r);
    
    dbms_sqltune.execute_tuning_task(t);

    open :c_tt for
        select dbms_sqltune.report_tuning_task(t) recommendations from dual;

END;
/

spool &_tpt_tempdir/sqltune_ctt_&_tpt_tempfile..sql
print :c_tt
spool off
prompt Output file: &_tpt_tempdir/sqltune_ctt_&_tpt_tempfile..sql
--host &_start &_tpt_tempdir/sqltune_ctt_&_tpt_tempfile..sql