数据库引擎服务Data Quality Services
适用于：Applies to: 
SQL ServerSQL Server（所有支持的版本）SQL ServerSQL Server (all supported versions) SQL ServerSQL Server（所有支持的版本）SQL ServerSQL Server (all supported versions)
SQL Server Data Quality ServicesSQL Server Data Quality Services (DQS) 是知识驱动型数据质量产品。(DQS) is a knowledge-driven data quality product. DQS 使您可以生成知识库，然后使用它执行各种关键数据质量任务，包括数据的更正、充实、标准化和消除重复。DQS enables you to build a knowledge base and use it to perform a variety of critical data quality tasks, including correction, enrichment, standardization, and de-duplication of your data. DQS 通过使用引用数据访问接口提供的基于云的 Reference Data Services，使您可以执行数据清理。DQS enables you to perform data cleansing by using cloud-based reference data services provided by reference data providers. DQS 还可以提供集成到数据质量任务的事件探查功能，使您可以分析数据的完整性。DQS also provides you with profiling that is integrated into its data-quality tasks, enabling you to analyze the integrity of your data.
DQS 由 数据质量服务器Data Quality Server 和 数据质量客户端Data Quality Client组成，它们都作为 SQL ServerSQL Server的一部分安装。DQS consists of 数据质量服务器Data Quality Server and 数据质量客户端Data Quality Client, both of which are installed as part of SQL ServerSQL Server. 数据质量服务器Data Quality Server是一个 SQL Server 实例功能，它包含具有数据质量功能和存储的三个 SQL Server 目录。is a SQL Server instance feature that consists of three SQL Server catalogs with data-quality functionality and storage. 数据质量客户端Data Quality Client是一个 SQL Server 共享功能，企业用户、信息工作者和 IT 专业人员可以使用它执行计算机辅助的数据质量分析和以交互方式管理其数据质量。is a SQL Server shared feature that business users, information workers, and IT professionals can use to perform computer-assisted data quality analyses and manage their data quality interactively. 您还可以使用 Integration Services 中的 DQS 清理组件DQS Cleansing component in Integration Services 和 Master Data Services (MDS) 数据质量功能（它们都基于 DQS）来执行数据质量过程。You can also perform data quality processes by using the Integration Services 中的 DQS 清理组件DQS Cleansing component in Integration Services and Master Data Services (MDS) data quality functionality, both of which are based on DQS.
有关安装 DQS 的信息，请参阅 Install Data Quality Services。For information about installing DQS, see Install Data Quality Services. 如果要将现有的 DQS 版本升级到最新版本的 SQL ServerSQL Server ，请参阅 升级 Data Quality Services。If you want to upgrade your existing version of DQS to the latest version of SQL ServerSQL Server, see Upgrade Data Quality Services.
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Data Quality Client 应用程序的
Data Quality Client Application
DQS 知识库和域 DQS Knowledge Bases and Domains
" Reference DATA Services in DQS Reference Data Services in DQS
" DQS 中的数据事件探查和通知 Data Profiling and Notifications in DQS
" DQS 管理" 图标 DQS Administration
另请参阅See Also
Data Quality Services 简介 Introduction to Data Quality Services
Data Quality Services 概念 Data Quality Services Concepts
DQS 资源 DQS Resources
SQL Server 资源中心SQL Server Resource Center