標準號：ANSI ISO/IEC 13249-3-1999
中文標準名稱：信息技術.數據庫語言SQL.SQL多媒體和應用程序包.第3部分:被INCITS采用的空間條件
英文標準名稱：Information technology Database languages SQL multimedia and application packages Part 3: Spatial Adopted by INCITS
標準類型：L74
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：L74
國際標準分類號：35.060
適用范圍：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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