As the nuclear part of WEB information system, database faces the double threats coming internally and externally. Thus its encryption becomes the effective means for data protection.

数据库是基于WEB信息系统的核心组成部分，面临来自外部和内部的双重威胁，对其进行加密处理，是进行数据保护的有效手段。

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As the basis of the whole information system, database must be of not only the complete compatibility, but also the ability to expand, so as to satisfy the need for business growing.

作为整个信息系统的基础，数据库不仅要具有完全的兼容性而且要具有扩容能力，以便满足业务增长的需要。

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As the basis of the whole information system, database must be of not only the complete compatibility, but also the ability to expand, so as to satisfy the need for business growing.

作为整个信息系统的基础，数据库不仅要具有完全的兼容性而且要具有扩容能力，以便满足业务增长的需要。

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