他们以为您无需从他们那里获得任何帮助，就完全可以在设计中识别出重要的业务模式和关系。

They think you can just recognize key business patterns and relationships in your design without any help from them.

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数据库开发人员——负责实际运行的数据库，包括设计数据库、模式、表、表关系、索引，以及对查询进行优化。

Database developer — Responsible for the actual databases in operation, including designing databases, schemas, tables, table relationships, and indexes as well as optimizing queries.

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不需要设计或优化关系模式

No need to design or optimize a relational schema

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