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。
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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