The _______ writes the Flashback Database logs in the flash recovery area.
A. FLSH
B. FLDB
C. RVWR
D. RVRW
E. FBDA
The Flashback Database architecture consists of the recovery writer RVWR background process and Flashback Database logs.When the Flashback Database is enabled,the RVWR process is started.The RVWR writes the Flashback Database logs in the flash recovery area.FDBA is the Flashback Data Archive background process;the remaining options are fictitious.
原文：http://www.cnblogs.com/Babylon/p/7827089.html