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单选题
db file sequential read等待P1参数的含义是？（）
A
访问的文件名
B
访问的文件号
C
访问的数据块号
D
文件拥有者
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Oracle数据中,下列哪些等待事件将产生大量的IO?()
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单选题在oracle数据库中，db file sequential read等待P2参数的含义是？（）A
访问的文件名B
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文件拥有者D
访问的数据块号
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