400-090-9964


博客 | 论坛

教学文章

Oracle OCP 19c 认证1Z0-083考试题库(第21题)

时间:2021-05-21 来源:

Oracle OCP 19c 认证1Z0-083考试题库(第21题)-CUUG内部学员版083题库解析

21、Which three are true about monitoring waits for sessions and services? (Choose three.)

A. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.

B. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.

C. V$SESSION_WAIT _CLASS displays waits broken down by wait class only for waiting sessions.

D. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.

E. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.

F. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.

版权所有@北京优技教育技术有限公司(CUUG,中国UNIX用户协会) Copyright 2017 ALL Rights Reserved 京ICP备11008061号-1

CUUG旗下网站:www.cuug.com.cn www.cuug.com oracle.cuug.com bbs.cuug.com bd.cuug.com

电话:010-59426307 010-59426319 邮政编码:100089

海淀校区:北京市海淀区紫竹院路88号紫竹花园4号楼D座703(CUUG)