Oracle 11G OCP 1Z0-052 12

LuiseDalian發表於2014-06-05
Oracle
（12） Which is the correct description of a pinned buffer in the database buffer cache?

A.The buffer is currently being accessed.

B.The buffer is empty and has not been used.

C.The contents of the buffer have changed and must be flushed to the disk by the DBWn process.

D.The buffer is a candidate for immediate aging out and its contents are synchronized with the block contents on the disk.

答案：（A）

解析：

B（X），Free/Unused

C（X），Dirty

D（X），Clean

來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/17013648/viewspace-1175891/，如需轉載，請註明出處，否則將追究法律責任。

相關文章