虚拟数据集的时间维度将为[Time]。
需要从这里才能删除虚拟数据集。
通过完成以下步骤创建虚拟数据集。
虚拟数据集不包含缓存刷新调度信息。
The virtual cubes do not have cache refresh scheduling information.
虚拟数据集上没有专门的安全性设置。
虚拟数据集包含所有可用维度的集合。
The virtual cube contains the union of all available dimensions.
选择两个用于合并成虚拟数据集的数据集。
Select the two cubes to be aggregated to form the virtual cube.
在虚拟数据集中隐藏维度仅影响该虚拟数据集。
Hiding a dimension in a virtual cube only affects that virtual cube.
在数据集上定义的计算成员在虚拟数据集中不可用。
The calculated members defined on the cubes are not available on the virtual cube.
这仅影响虚拟数据集，而不影响包含该维度的数据集。
This only affects the virtual cube, and not the cube that contains the dimension.
对于虚拟数据集，维度安全性继承自它的两个数据集。
For a virtual cube, the dimensional security is inherited from its two cubes.
虚拟数据集将根据合并运算符合并来自子数据集的结果。
The results are aggregated by the virtual cube according to the merge operator.
如果有必要的话，则要为虚拟数据集重新定义计算成员。
The calculated members need to be redefined for the virtual cube as needed.
基于多个数据源集成的数据创建单独视图或虚拟数据对象的能力。
Ability to create individual views or virtual data objects based on data integrated from multiple sources.
每次启动虚拟数据集时，它都检查两个数据集并执行合并。
Each time the virtual cube is started, it checks the two cubes and performs the merge.
对于这种情况，将通过停止和启动虚拟数据集来重新构建它。
In that case the virtual cube should be rebuilt by stopping and starting it.
属于占位符数据集模型的虚拟数据集称为VIRTUAL。
The virtual cubes belong to a placeholder cube model called VIRTUAL.
本文描述了如何创建虚拟数据集，以及合并流程的工作原理。
This article described how virtual cubes are created and how the merging process works.
如果成员仅存在一个数据集中，那么将把它添加到虚拟数据集中。
If the member exists in only one of the cubes, that member is simply added to the virtual cube.
如果成员没有包含在最终的虚拟数据集中，那么可能它被隐藏了。
If a member is not to be included in the resulting virtual cube, it can be hidden.
仅当虚拟数据集的直接数据集启动或部署之后，才能启动或部署它。
A virtual cube can be started or deployed only after both its direct cubes are started or deployed.
除了级别合并之外，虚拟数据集还对子数据集的相同维度执行成员合并。
In addition to level merging, virtual cubes also perform member merging for the common dimensions of the depending cubes.
虚拟走廊里的虚拟数据池(左)和媒体实验室走廊(右)里的真实数据池。
Virtual DataPond in the Virtual Atrium (left) and a real DataPond in the real Media Lab Atrium (right).
数据工程师需要将大量的真实与虚拟数据搭建成有意义而又美观的信息资料。
Data technologists build structures—real and virtual—that turn the pile of data into something meaningful and beautiful, says Eric Rodenbeck, founder and creative director at Stamen Design.
虚拟计算成员仅存在虚拟数据集上下文中，并且不可以在子数据集中使用它们。
The virtual calculated members exist only in the context of the virtual cube and are not available from the dependent cubes.
当数据集服务器启动时，仅当所有子数据集被实例化之后才实例化虚拟数据集。
When the cube server starts, the virtual cubes get instantiated only after all the depending cubes are instantiated.
如果某个虚拟数据集的维度或成员被重命名，那么只有用户指定的名称是可用的。
If a dimension or member is renamed for the virtual cube, then the name available for the virtual cube is the user-specified one.
您还可以重命名该虚拟数据集的维度和成员，以合并所需的元素，如本文后面所述。
Dimensions and members can also be renamed for the virtual cube to cause merging on the desired elements, as described later in this article.
使用虚拟数据访问服务层支持SOA、促进代码重用、提高编程效率和促成更灵活的软件环境。
Support SOA, promote code reuse, enhance programming productivity, and contribute to a more flexible software environment with the virtual data access services layer.
使用虚拟数据访问服务层支持SOA、促进代码重用、提高编程效率和促成更灵活的软件环境。
Support SOA, promote code reuse, enhance programming productivity, and contribute to a more flexible software environment with the virtual data access services layer.
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