The （）Process Group consists of the processes used to complete the work defined in the project management plan to accomplish the project's requirements.

The speed with which digital cameras can take, process and _______ an image is phenomenal. 

管理信息系统是系统思想建立起来的，以计算机为工具，为管理决策服务的信息系统，简单地说是能够为管理者提供所需信息的系统。

输血管理信息系统主要由硬件系统和软件系统两大部分组成。

Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal.
Which two activities would you perform to maintain a consistent performance of the database while adding or removing disks?（）

Consider the events_% tables in performance Schema.
Which two methods will clear or reset the collected events in the tables?（）