what will be the result when you issue the command alter database archivelog?
A. The alter database archivelog command will fail.
B. The alter database archivelog inconsistent command must be used to put the database in ARCHIVELOG mode.
C. The alter database archivelog command will succeed.
D. The alter database archivelog command will ask if you want to make the database consistent first.
E. There is no alter database archivelog command.The correct command is alter database alterlogging.
答案:(A)
解析:
An open database must first be closed and any associated instances shut down before you can switch the database archiving mode.
You cannot change the mode from ARCHIVELOG to NOARCHIVELOG if any data files need media recovery.
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