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？（）AUntil last commitBUntil the time you perform recoveryCUntil the time the date file got corruptedDUntil the point where the last transaction begunEYou cannot recover the SYSTEMtablespaceand must re-create the database.
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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