什么是保持数据完整性?
数据的完整性是指数据不被未授权者修改 建立、嵌入、删除、重复传送或其它原因使原始数据被更改。在存储时要防止非法的篡改,防止网站上的信息被破坏,在传输过程中,要保证接收的数据与发送端发送的数据完全一致。
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