摘要：
先看Oracle 官网的说明, 看的是Oracle 10gR2的文档：Physical Database LimitsItemType of LimitLimit ValueDatabase Block SizeMinimum2048 bytes; must be a multiple of operating system physical block sizeDatabase Block SizeMaximumOperating system dependent; never more than 32 KBDatabase BlocksMinimum in initial extent o 阅读全文
