Whether derived from address information, acquired by GPS devices, or otherwise generated, many databases contain geographic coordinates of point locations as separate numeric columns in a table.
无论是从地址信息中推导出来的、由GPS设备获得的还是以其他方式生成的，许多数据库都包含点位置的地理坐标，这些信息在数据库中保存为单独的数字列。
Distributed multimedia systems support the integration and coordination of audio, video, text and numeric data originating from databases or high-speed networks.
分布式多媒体系统支持数据库中或网络中的声音、视频、文本和数字数据的整合与协同。
In this paper the order preserving encryption for numeric data is analyzed. An order preserving encryption method for character data in relational databases is proposed.
对数值型数据保持顺序加密方法进行了分析，在此基础上提出了一种在关系数据库中针对字符数据的保序加密方法。
In this paper the order preserving encryption for numeric data is analyzed. An order preserving encryption method for character data in relational databases is proposed.
对数值型数据保持顺序加密方法进行了分析，在此基础上提出了一种在关系数据库中针对字符数据的保序加密方法。
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