Defined virtual columns and virtual tables.

已定义虚拟列和虚拟表。

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If the project includes virtual tables and virtual columns, they are also listed there.

如果项目包含虚拟表和虚拟列，也会在此列出。

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Users can construct virtual columns from any combination of columns within a table and then analyze those virtual columns in turn.

用户可以使用表中任意的列组合构造虚拟列，然后依次分析那些虚拟列。

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Analysis for these virtual columns occurs as for any other column, allowing insight into the domain values, formats, and properties.

对这些虚拟列的分析与任何其他列一样，通过这种分析可以洞察域值、格式和属性。

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Analysis for these virtual columns occurs as for any other column, allowing insight into the domain values, formats, and properties.

对这些虚拟列的分析与任何其他列一样，通过这种分析可以洞察域值、格式和属性。

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