As a newcomer to PL/SQL, I am trying to follow the examples on Oracle FreeSQL. Even though I can find a valid sql_id in my_user_sql, I cannot get the execution plan from my_user_xplan.display_cursor (select plan.* from my_user_xplan.display_cursor('XYZ') plan;). I get the error "ORA-20002: SQL_ID not found or no execution plan available." Am I doing something wrong/misunderstanding?