Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases? CD A Space is only reclaimed when there is space pressure in the Fast Recovery Area(FRA) B Space is always reclaimed proactively before space pressure occurs C Space might be reclaimed proactively before space pressure occurs D Space might be reclaimed automatically when the retention period for Flashback logs is lowered E Space is always reclaimed automatically when the retention period for Flashback logs is lowered