已定义虚拟列和虚拟表。
如果项目包含虚拟表和虚拟列，也会在此列出。
If the project includes virtual tables and virtual columns, they are also listed there.
用户可以将分析扩展到多个列，利用前面提到的内建的虚拟列支持。
Users can extend the analysis to multiple columns, taking advantage of the built-in virtual column support noted above.
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。
Users can construct virtual columns from any combination of columns within a table and then analyze those virtual columns in turn.
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。
Analysis for these virtual columns occurs as for any other column, allowing insight into the domain values, formats, and properties.
我们的虚拟外键基于TB_RIGHT表的两个列。
Our virtual foreign key is based on two columns from the TB_RIGHT table.
要获得右侧表单中的数据，需要创建一个视图——MySQLV 5中的新结构，它将把来自其他表的列整合到单独的合成虚拟表中。
To get the data in the right form, create a view - a new construct in MySQL V5 that assembles columns from other tables into a single, composite virtual table.
该部分创建了一个名称为“CATEGORIZED”的虚拟表，表中带有inner查询提供的一组列。
This creates a virtual table by the name "CATEGORIZED" with a set of columns supplied from inner queries.
目前您已经掌握了基本的数据库概念，包括模式、表和列，还看到了使用名为Bigdog ' sSurfShop的虚拟公司对这些概念的演示。
Now you have a grasp of basic database concepts, including schemas, tables, and columns, and you've seen demonstrations of these concepts using a fictitious business named Bigdog's Surf Shop.
这些字段必须在位置和数据类型方面与虚拟表CATEGORIZED中的列相匹配。
These must match in position and data type with the columns in the virtual table CATEGORIZED.
如果有虚拟组件不属于这些类别，那么这些组件将放置在中间一列。
If there are virtual parts that do not fall into one of these categories they are placed in the center column.
inner查询中的列直接映射到虚拟表CATEGORIZED中相应的列，因此
The columns in the inner queries map directly to those in the virtual table CATEGORIZED, so
图表中的每一列都表示个别的虚拟使用者。
Each row in the chart represents an individual virtual user.
制作的一个在售房屋360度虚拟演示范列！
This is the 360-degree virtual tour example which is made with the traditional plain photos!
制作的一个在售房屋360度虚拟演示范列！
This is the 360-degree virtual tour example which is made with the traditional plain photos!
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