【oracle】oracledba15 To uniquely identify the archived log files for each incarnation of the databas，oracleincarnation
You are using Oracle Database 10g. The log LOG_ARCHIVE_FORMAT pa
rameter is set to 'LOG%t_%_s_%r.dbf'.
Why is %r used in the file name format?
A. To uniquely identify the archived log files with the restore operation.
B. To uniquely identify the archived log files with the redo log group number.
C. To uniquely identify the archived log files for each incarnation of the database.
D. To uniquely identify the archived log files with the number of recovery operations performed.
Answer: C
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