问题:
Archive file format LOG_ARCHIVE_FORMAT is defined as arch_%s.arc. A week ago, you just archived arch_4.arch to tape, then removed all archived files to save disk space. Yesterday you saw arch_10.arc and arch_11.arc on the disk. Today, you see arch_3.arc in the archive directory.
Which two could you happened?()
A . Redo logs were restored from tape for recovery.
B . The file names are only used when they are copied to tape.
C . The database was opened with the RESETLOGS option and log numbers restarted.
D . Log names run in circular fashion; arch_3.arc is re-created by the ARCn process.
E . A file name is randomly chosen by the archive process; as long as it is unique, it does not have to be sequential.
Archive file format LOG_ARCHIVE_FORMAT is defined as arch_%s.arc. A week ago, you just archived arch_4.arch to tape, then removed all archived files to save disk space. Yesterday you saw arch_10.arc and arch_11.arc on the disk. Today, you see arch_3.arc in the archive directory.
Which two could you happened?()
● 参考解析
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