单项选择题
A.the location used for control files
B.the location used for redo log files
C.the location set by using $ORACLE_BASE
D.the location set by using $ORACLE_HOME
E.the location set by using CORE_DUMP_DEST
F.the location set by using BACKGROUND_DUMP_DEST
单项选择题 Youdecidedtochangethelocationoftheflashrecoveryarea.Youexecutedthefollowingcommand：Whichstatementistrue？（）
单项选择题 You executed the following query in your database： FROM V$FLASHBACK_DATABASE_LOG What would you determine from the output？（）
单项选择题 You disabled the Flashback Database feature by using the following command： SQL> ALTER DATABASE FLASHBACK OFF What would be the effect of this command on the existing flashback logs？（）