NOARCHIVELOG 模式下的數(shù)據(jù)庫備份步驟

2009532140

最先答對且答案未經(jīng)編輯的cuber將根據(jù)試題的難度可能獲得10-50不等的積分懸賞：
注意：會員需對此貼答案進(jìn)行說明和簡要分析，無說明者不能獲得獎勵。
或者，給出相關(guān)的文檔說明，如果能用實驗?zāi)�擬的積分翻倍。

You are peer reviewing a fellow DBAs backup plan for his NOARCHIVELOG mode database, as
shown here:

Put the tablespaces in backup mode.
Back up the datafiles for all tablespaces.
Take the tablespaces out of backup mode.
Back up all archived redo logs.

Your colleague asks for you to comment on his plan. Which response would be correct?

A.  The plan will work as is.
B.  The plan needs to be modified to allow for an archive-log switch after step 3.
C.  The plan needs to be modified so that a backup of the archived redo logs occurs before step 1.
D.  The plan needs to be adjusted to shut down the database after step 1 and to restart the database   
after step 2.
E.  The plan cannot work as presented.