Which of the following commands will perform an active database duplication of the ORCL database to the ORCL2 database?()<br /> <img src="https://nimg.ppkao.com/2018-08/chenxin/2018080209255740630.jpg?sign=0f5951056142aeb30e54659de4a418f9&t=62d23174" />
A、A
B、B
C、C
D、D
E、E