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📜  哪一个更难实现逻辑数据独立和物理数据独立? - 无论代码示例

📅  最后修改于: 2022-03-11 14:55:32.582000             🧑  作者: Mango

代码示例1
Logical data independence is more difficult to achieve than physical 
data independence, since application programs are heavily dependent
on the logical structure of the data that they access.