You dropped a schema of a user in an Oracle 10g by mistake. You decide to flash the database back to its previous state to restore the deleted schema.  <br /> Which process writes the before images of the physical database blocks to the flashback database logs?()<p> You dropped a schema of a user in an Oracle 10g by mistake. You decide to flash the database back to its previous state to restore the deleted schema.  <br /> Which process writes the before images of the physical database blocks to the flashback database logs?()</p>
A、A. LGWR
B、B. DBWR
C、C. MMON
D、D. RVWR