A fully relational database schema would require hundreds of tables to represent PDBML.
一个纯关系型的数据库模式将需要数百个表来表示PDBML。
Such a relational database schema for the PDB was developed in 2005 and is shown in Figure 2.
在 2005 年，曾经为PDB开发过这样的一个关系数据库模式，如图 2 所示。
So why were the relational database schema center (6) and so many other database-related plug-ins activated?
而为什么关系数据库模式中心(6)和那么多其他数据库相关的插件被激活了？
Tools such as Hibernate and TopLink have made it much easier to map an object model into a relational database schema.
Hibernate和TopLink等工具大大简化了把对象模型映射到关系数据库模式的过程。
Two algorithms to compute the candidate keys of a relational database schema are given in this paper.
本文介绍了求解一个关系模式的候选码的两种算法。
Two algorithms to compute the candidate keys of a relational database schema are given in this paper.
本文介绍了求解一个关系模式的候选码的两种算法。
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