The federation server is a virtual database with all of the capabilities of a relational database.

联合服务器是一个虚拟数据库，具有关系数据库的所有功能。

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Data federation strives to leave data in its original location and to create what can be thought of as a virtual database.

数据联合力图将数据放在其原始位置上，并创建虚拟数据库。

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Slice introduces the abstraction of a virtual database to encompass the underlying physical database partitions or shards.

Slice引入了抽象的虚拟数据库来绕过底层的物理数据库分区或划分。

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Analysts call this a virtual database because it can query and analyze without moving any of the data out of position.

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Lucid Intelligence CEO Colin Holder took me on a virtual tour of the database.

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Companies like FluidOps make replicating all levels of a virtual landscape--the data, database, application, and operating system--a one-click operation.

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