Create routing entries at the logical layer.

在逻辑层创建路由条目。

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A tablespace is a logical layer between the database and the container objects that actually hold the data.

表空间是数据库与实际容纳数据的容器对象之间的逻辑层。

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Although the cluster provides any-to-any connectivity, the names preserve the old style of connectivity but push it up into the logical layer.

尽管集群提供了任意对任意的连接，名称保持了旧的连接样式，但是将名称向上推进到了逻辑层。

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