Terms for subject Project management containing relational data structure

English	Chinese
When data has a relational structure, data access, storage, and scalability are very efficient, but -writing efficient and maintainable code becomes more difficult	当数据具有关系结构时、在数据访问、存储和可扩展性方面会非常高效、但编写高效的、可维护的代码则变得非常困难