经过对数据库系统的分析，采用关系数据库作为用户管理的数据库类型，进行分布式数据库系统的构建。

After analysis of database system, relative database was chosen as database type to build the distributed database system.

youdao

经过对数据库系统的分析，采用关系数据库作为用户管理的数据库类型，进行分布式数据库系统的构建。

After analysis of database system, relative database was chosen as database type to build the distributed database system.

youdao