The current SQL Data Services (SDS), which became available last March, provides a lightweight and limited set of features.

去年三月发布的SQL Data Service (SDS)只提供了轻量的，有限的功能。

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YQL is basically a query language based on SQL that lets you query and retrieve structured data from multiple services in a standard way.

YQL基本上就是一种基于SQL的查询语言，允许以标准的方式从多个服务中查询和检索结构化数据。

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This is all due to a set of common drivers, toolset, a common SQL API (for DB2 data servers), common Web Services framework, common connectivity code, and more.

这一切要归功于一组通用的驱动程序、工具集、通用的 SQL API（用于 DB2 数据服务器）、通用的 Web Services 框架、通用的连通性代码等等。

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