EBS并发管理器请求汇总（按照并发消耗时间，等待时间，平均等待事件等汇总）

此数据集用于确定正在使用中并发管理器，并可与实际的在启动时分配的并发管理器。而且考虑完成状态为 正常/警告 的请求。

select q.concurrent_queue_name,
       count(*) cnt,
       sum(r.actual_completion_date - r.actual_start_date) * 24 elapsed,
       avg(r.actual_completion_date - r.actual_start_date) * 24 average,
       stddev(actual_start_date -
              greatest(r.requested_start_date, r.request_date)) * 24 wstddev,
       sum(actual_start_date -
           greatest(r.requested_start_date, r.request_date)) * 24 waited,
       avg(actual_start_date -
           greatest(r.requested_start_date, r.request_date)) * 24 avewait
  from apps.fnd_concurrent_programs  p,
       apps.fnd_concurrent_requests  r,
       apps.fnd_concurrent_queues    q,
       apps.fnd_concurrent_processes p
 where r.program_application_id = p.application_id
   and r.concurrent_program_id = p.concurrent_program_id
   and r.phase_code = 'C' -- completed and r.status_code in ('C','G') -- completed normal or with warning
   and r.controlling_manager = p.concurrent_process_id
   and q.concurrent_queue_id = p.concurrent_queue_id
   and r.concurrent_program_id = p.concurrent_program_id
 group by q.concurrent_queue_name;