（单选题）
You enabled the flashback logging feature， but you have not specified the location of the flash recovery area. Which location would be used as the default location for the flash recovery area？（）
Athe location used for control files
Bthe location used for redo log files
Cthe location set by using $ORACLE_BASE
Dthe location set by using $ORACLE_HOME
Ethe location set by using CORE_DUMP_DEST
Fthe location set by using BACKGROUND_DUMP_DEST
正确答案
答案解析
略
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