053-391

When setting up the Flashback Data Archive, which of these key parameters are required? (Choose all that apply.)
A. Tablespace name
B. Storage quota
C. Retention
D. Table name
E. Create a default archive

　　When creating a Flashback Data Archive,you need to specify the database name and a retention period.The storage quota is optional.You add tables to an archive after the archive is created,not as  a prerequisite.You don't need to name a default Flashback Data Archive.