通过语句查看Oracle执行计划
select timestamp,operation,options,OBJECT_NAME,object_type,optimizer,id,position,cost,bytes,cpu_cost,io_cost,time, access_predicates,filter_predicates from v$sql_plan where sql_id=‘atqt6f9xphta1‘；
原文：https://www.cnblogs.com/Roobbin/p/9599995.html