删除统计信息并锁定
exec dbms_stats.delete_table_stats(ownname => 'scott',tabname =>'a');
exec dbms_stats.lock_table_stats(ownname => 'scott',tabname =>'a');
exec dbms_stat.unlock_table_stats(ownname => 'scott',tabname =>'a');
临时表处理办法
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转载自www.cnblogs.com/omsql/p/10759347.html
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