单项选择题
A.ARCH B.PMON C.SMON D.DBWn
A.数据库缓冲区 B.重做日志缓冲区 C.PGA区 D.共享池
A.STARTUP FORCE B.STARTUP NOMOUNT C.STARTUP MOUNT D.STARTUP NORMAL
A.%ISOPEN B.%FOUND C.%NOTFOUND D.%ROWCOUNT
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