SQL> EXEC dbms_stats.gather_table_stats('【username】','【tablename】',cascade=>true); PL/SQL procedure successfully completed
--更新整个用户所有表的统计数据更新
SQL> EXEC dbms_stats.gather_schema_stats('【username】',estimate_percent=>100,cascade=> TRUE);
SQL> EXEC dbms_stats.gather_table_stats('【username】','【tablename】',cascade=>true); PL/SQL procedure successfully completed
SQL> EXEC dbms_stats.gather_schema_stats('【username】',estimate_percent=>100,cascade=> TRUE);