SQL> @ $ ORACLE_HOME / rdbms / admin / utlxplan.sql SQL> create public synonym plan_table for plan_table; SQL> grant all on plan_table to public; SQL> conn sysSQL> @ $ ORACLE_HOME / sqlplus / admin / plustrce SQL> grant plustrace to Public; SQL> Set Autotrace Off | ON | On Statistics | ON | Traceonly | TRACE EXPLAIN
