单选题When an UNDO segment is created manually by you, its availability status is set to which of the following automatically by Oracle?（）A Online B Pending online C Offline D Stale
题目
单选题
When an UNDO segment is created manually by you, its availability status is set to which of the following automatically by Oracle?（）
A
Online
B
Pending online
C
Offline
D
Stale