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1引言随着医疗行业信息化的逐步深入,电子病历越来越得到重视和广泛应用。医疗过程的复杂性决定了电子病历必然是一个层次关系复杂的数据集合,在数据结构上具有较明显的多维特性。因此电子病历数据存储结构的设计成为开发者面临的挑战。Caché数据库是一种既不同于传统的二维关
1 Introduction With the gradual deepening of the medical industry information technology, electronic medical records more and more attention and widely used. The complexity of the medical process determines that the electronic medical record must be a data set with complicated levels and has obvious multidimensional characteristics in the data structure. Therefore, the design of EHR data storage structure becomes a challenge for developers. The Caché database is a two-dimensional relationship that is different from the traditional one