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Master data represents the business objects which are agreed on and shared across the enterprise.〔("ENTERPRISE MASTER DATA ARCHITECTURE: DESIGN DECISIONS AND OPTIONS" ), Boris Otto & Alexander Schmidt, Institute of Information Management, University of St. Gallen〕 Commonly confused with Reference Data – information that is key to the operation of a business – it also can cover transactional, unstructured, analytical, hierarchical and meta data.〔"What Is Master Data?", Roger Wolter and Kirk Haselden, Microsoft Corporation, ("The What, Why, and How of Master Data Management" ), November 2006〕 It is the primary focus of the Information Technology (IT) discipline of Master Data Management (MDM). While master data is often non-transactional in nature, it is not limited to non-transactional data, and often ''supports'' transactional processes and operations. For example, Master data may be about: customers, products, employees, materials, suppliers, and vendors, and it may also cover: sales, documents and aggregated sales. ==Types of master data == Reference Data is the set of permissible values to be used by other (master or transaction) data fields. Reference data normally changes slowly, reflecting changes in the modes of operation of the business, rather than changing in the normal course of business. Master Data is a ''single source'' of basic business data used across multiple systems, applications, and/or processes. Enterprise Master Data is the ''single source'' of basic business data used across all systems, applications, and processes for an entire enterprise (all departments, divisions, companies, and countries). Market Master Data is the ''single source'' of basic business data for an entire marketplace. Market master data is used among enterprises within the value chain. An example of Market Master Data is the UPC (Universal Product Code) found on consumer products. Market Master Data is compatible with enterprise-specific and domain-specific systems, compliant with or linked to industry standards, and incorporated within market research analytics. Market master data also facilitates integration of multiple data sources and literally puts everyone in the market on the same page. Excerpted from ''Master Data Management for Media: A Call to Action for Business Leaders in Marketing, Advertising, and the Media,'' a Microsoft White Paper by Scott Taylor and Robin Laylin, January 2010 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Master data」の詳細全文を読む スポンサード リンク
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