Supplementary files for Examining database persistence of ISO/EN 13606 standardized Electronic Health Record extracts: relational vs. noSQL approaches

3 code files written in sql, java and xquery performing six queries on mysql, mongodb and eXist databases respectively described in the paper entitled \"Examining database persistence of ISO/EN 13606 standardized Electronic Health Record extracts: relational vs. noSQL approaches\"本数据集由3份代码文件组成，分别采用SQL、Java和XQuery编写，各自针对MySQL、MongoDB和eXist数据库执行六项查询操作，相关内容刊载于题为《ISO/EN 13606标准化电子健康记录提取数据的数据库持久性检验：关系型与非关系型数据库方案对比》的研究论文中。