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1. cd [ORACLE_HOME]/rdbms/admin
2. log into SQL*Plus as SYSTEM
3. Run @utlxplan
4. Run CREATE PUBLIC SYNONYM PLAN_TABLE FOR PLAN_TABLE;
5. Run GRANT ALL ON PLAN_TABLE TO PUBLIC; £¨±¾¾ä¿ÉÒÔ¸³¸øÌض¨µÄÓû§¡££©
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1. cd [ORACLE_HOME]/sqlplus/admin
2. Log in to SQL*Plus as SYS or as SYSDBA
3. Run @plustrce
4. Run GRANT PLUSTRACE TO PUBLIC; £¨±¾»ú¿ÉÒÔ¸³¸øÌض¨Óû§£©
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