单选题You are working on the APPDB database as a DBA. The database has a default Flashback Data Archive DFLA1 created on it. You issued the following command to drop the Flashback Archive FLA1: DROP FLASHBACK ARCHIVE fla1,What is the effect of this command?（
题目
单选题
You are working on the APPDB database as a DBA. The database has a default Flashback Data Archive DFLA1 created on it. You issued the following command to drop the Flashback Archive FLA1: DROP FLASHBACK ARCHIVE fla1,What is the effect of this command?（）
A
The Flashback Archive FLA1 is dropped only if it is empty.
B
The tablespace having Flashback Archive is dropped.
C
The Flashback Archive FLA1 is dropped after moving the existing data in it to the default Flashback Archive.
D
The Flashback Data Archive and historical data are dropped.