【摘要】 提出了一种适用于地方电网线损管理系统的数据库优化设计方法 ,该方法采用E R图作为建模工具 ,使概念型数据模型向关系型数据模型转化 ,合理运用各种范式 ,使数据库连接运算和数据冗余大为降低 ,从而提高了线损管理应用系统的工作效率及综合性能更多还原

【Abstract】 An optimized database design method which is applicable to the energy loss management system of local electric network is introduced.The method applies translation from relational model to notional model,uses E-R drawing as modeling implement, and utilizes several Normal Forms in order to reduce the linked operation and redundancy data.The work efficiency and capability of the energy loss management system are advanced.更多还原