对于其他数据源(比如非关系数据)或是其他的数据库访问技术(比如LINQ toSQL)来说,ADO.NET Data Services又提供了一种机制将这些数据源建模为实体和关系(比如通过EDMschema描述)并将其暴露为数据服务。
LINQ to SQL a mechanism is provided which enables any data source to be modeled as entities and associations ie. described using an EDM schema and exposed as a data service.
服务使用的数据类型必须以元数据来描述,以使其他服务相互之间可以协同操作。
The data types that a service USES must be described in metadata to enable others to interoperate with the service.
数据仓库基础设施计划描述了软件、硬件、数据网络以及其他支持数据仓库的元素。
The data warehouse infrastructure plan describes the software, hardware, data network, and other elements that will support the data warehouse.
这是类型和属性的框架,提供了一组数据必须满足的规则,并可通过从其他数据元素描述其路径来访问数据元素。
This is a framework of types and properties that provides a set of rules to which the data must conform and a means of accessing a data element by describing its path from another data element.
通过在FrameworkManager中描述一个元数据层,来自大部分数据库和其他来源(比如web服务)的数据在Cognos报告中都可以被访问。
Data from most databases and other sources, such as Web services for example, can be accessed in Cognos reports by describing a metadata layer in Framework Manager.
例如,在Cognos报告中,可以通过在FrameworkManager中描述一个元数据层,来访问大多数数据库和其他数据源,例如Web服务中的数据。
Data from most databases and other sources, like Web services, can be accessed, for example, in Cognos reports by describing a metadata layer in Framework Manager.
描述如何通过显示其他未绑定的列来补充来自绑定数据源的数据。
Describes how to supplement data from a bound data source by displaying additional, unbound columns.
为实现空间数据共享,需要描述空间数据或数据集的内容、质量、状态和其他特性的数据,这就是元数据。
To share space data, it is necessary to describe space data or the content, quality and mode of a data set and other characteristic data. This is the element data.
为实现空间数据共享,需要描述空间数据或数据集的内容、质量、状态和其他特性的数据,这就是元数据。
To share space data, it is necessary to describe space data or the content, quality and mode of a data set and other characteristic data. This is the element data.
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