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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
访问的文件号
C
文件拥有者
D
访问的数据块号
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判断题数据块是Oracle数据库读/写数据的最小存储单元,它的大小由初始化参数db_block_size决定,在Oracle数据库创建时就决定了db_block_size的值。A
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