76. Exhibit

Viewing the Exhibit and examine the Flashback Database architecture.
Identify the missing component (shown with a "?`"= in the Flashback D
atabase architecture.
A. DBWn
B. RVWR
C. ARCH
D. RECO
E. TRWR
Answer: B
一旦启用了Flashback database,则rvwr 进程会启动,rvwr 进程会向flash
recovery area 内写入flashback database log,这些日志包括数据块的”前镜
像(before image)”
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/11312660/viewspace-717976/
,如需转载,请注明出处,否则将追究法律责任。