单选题View the Exhibit and examine the recommendation graph provided for a test database by the Undo Advisor.The graph recommends that the size of undo tablespace should be set to（）.A1 MB B6 MB C10 MB D15 MB E11 MB
题目
单选题
View the Exhibit and examine the recommendation graph provided for a test database by the Undo Advisor.The graph recommends that the size of undo tablespace should be set to（）.
A
1 MB
B
6 MB
C
10 MB
D
15 MB
E
11 MB