sql - Why SQL_PROFILE not showing recommendations? -


i trying run sql tuning advisor sqlplus. following below steps create

to create tuning task using sql_id:

declare   l_sql_tune_task_id  varchar2(100); begin   l_sql_tune_task_id := dbms_sqltune.create_tuning_task (                           sql_id      => '19v5guvsgcd1v',                           scope       => dbms_sqltune.scope_comprehensive,                           time_limit  => 60,                           task_name   => '19v5guvsgcd1v_tuning_task',                           description => 'tuning task statement 19v5guvsgcd1v.');   dbms_output.put_line('l_sql_tune_task_id: ' || l_sql_tune_task_id); end; /

to execute tuning:

exec dbms_sqltune.execute_tuning_task(task_name => '19v5guvsgcd1v_tuning_task');

to check report:

set pagesize 10000 set linesize 20000 select dbms_sqltune.report_tuning_task('19v5guvsgcd1v_tuning_task') recommendations dual; set pagesize 24

when run create tuning task block , execute tuning task successful completed, when try see recommendations see blank report. when run sql tuning advisor (sql tuning advisor icon) sql developer, coming 2 recommendations. why not able see through when run in sqlplus.

add set long:

   sql> set long 2000000000

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