單項(xiàng)選擇題

Your database is in the NOARCHIVELOG mode. Since last night’s offline backup, the logs in group 1 have been written to twice. This morning, the SYSTEM data file has become corrupted. Up to what point can it be recovered?()

A.until the last commit
B.cannot be recovered
C.until the last offline backup
D.until the beginning of the last transaction

題目列表

你可能感興趣的試題

微信掃碼免費(fèi)搜題