... 2）高级第四代先进商用程序语言ABAP/4。 数据字典维护(Data Dictionary Maintenance) 数据字典信息系统(Data Dictionary Information System) ...
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为提高数据库的开放性、可维护性，对数据进行了分类，编制了数据库数据字典。
To improve the openness and maintainability, the data is classified and data dictionary is also composed.
介绍了管理信息系统中常用的数据字典录入类型：普遍单一选择数据字典、动态自维护数据字典、树型结构数据字典和复选数据字典。
In process of programming of management information system, data dictionaries of single-select, dynamic self-maintain, tree-structure and multi-select were the typical kinds.
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