2.查看CPU消耗时间最多的前10条SQL语句
select * from (select v.sql_id, v.child_number, v.sql_text, v.elapsed_time, v.cpu_time, v.disk_reads, rank() over(order by v.cpu_time desc) elapsed_rank from v$sql v) a where elapsed_rank <= 10;
3.查看消耗磁盘读取最多的前10条SQL语句
select * from (select v.sql_id, v.child_number, v.sql_text, v.elapsed_time, v.cpu_time,
