The Relational database and the more recently Object Relational or Universal databases were the generic repositories within these organizations.

关系数据库和最近的对象关系或通用数据库是这些组织的一般存储库。

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DB2 Universal Database offers powerful facilities for accessing and combining information from diverse relational data sources (see Resources).

DB 2 Universal Database为访问和组合来自不同关系数据源的信息提供了强大的工具(参阅参考资料)。

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In the case where only FDs are concerned, decompositions of relational schema are examined with diagrams. The relationship between database instances and universal relations is also investigated.

在函数依赖情况下，用图示方法分析关系模式的分解情况，探讨数据库实例和泛关系的联系。

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