ANSI ISO/IEC 13249-3-1999 信息技术.数据库语言SQL.SQL多媒体和应用程序包.第3部分:被INCITS采用的空间条件

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标准号:ANSI ISO/IEC 13249-3-1999
中文标准名称:信息技术.数据库语言SQL.SQL多媒体和应用程序包.第3部分:被INCITS采用的空间条件
英文标准名称:Information technology Database languages SQL multimedia and application packages Part 3: Spatial Adopted by INCITS
标准类型:L74
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:L74
国际标准分类号:35.060
适用范围:Introduces the Spatial part of ISO/IEC 13249, gives the references necessary for this part of ISO/IEC 13249, defines notations and conventions specific to this part of ISO/IEC 13249, defines concepts specific to this part of ISO/IEC 13249, defines spatial user-defined types and their associated routines. The spatial user-defined types defined in this part adhere to the following: - A spatial user-defined type is generic to spatial data handling. It addresses the need to store, manage and retrieve information based on aspects of spatial data such as geometry, location, and topology. - A spatial user-defined type does not redefine the database language SQL directly or in combination with another spatial data type. Implementations of this part of ISO/IEC 13249 may exist in environments that also support geographic information, decision support, data mining, and data warehousing systems. Application areas addressed by implementations of this part of ISO/IEC 13249 include, but are not restricted to, automated mapping, desktop mapping, facilities management, geoengineering, graphics, multimedia, and resource management applications.

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