单选题Your Supportcenter.cn database is in ARCHIVELOG mode. The data file that belongs to the SYSTEM tablespace has become corrupted. Up to what point can you recover the database？（）A Until last commitB Until the time you perform recoveryC Until the time the
题目
单选题
Your Supportcenter.cn database is in ARCHIVELOG mode. The data file that belongs to the SYSTEM tablespace has become corrupted. Up to what point can you recover the database？（）
A
Until last commit
B
Until the time you perform recovery
C
Until the time the date file got corrupted
D
Until the point where the last transaction begun
E
You cannot recover the SYSTEMtablespaceand must re-create the database.
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参考答案和解析
正确答案：
A
解析：
暂无解析