- 威望
- 13513
- 金币
- 15787
- 贡献
- 236
- 在线时间
- 102 小时
- 最后登录
- 2022-4-28
- 阅读权限
- 90
- 注册时间
- 2012-3-2
- 积分
- 13513
 
TA的每日心情 | 擦汗 2014-7-2 18:11:55 |
---|
签到天数: 1 天 连续签到: 1 天 [LV.1]初来乍到 - 金币
- 15787
- 贡献
- 236
- 威望
- 13513
- 在线时间
- 102 小时
- 注册时间
- 2012-3-2
- 最后登录
- 2022-4-28
- 积分
- 13513
|
【英文标准名称】: Information technology - Database languages - SQL multimedia and application packages - Part 3: Spatial 【原文标准名称】: 信息技术.数据库语言.SQL多媒体和应用包.第3部分:空间 【标准号】: ISO/IEC 13249-3-2006 【标准状态】: 作废 【国别】: 国际 【发布日期】: 2006-11-01 【实施或试行日期】: 【发布单位】: 国际标准化组织(IX-ISO)【起草单位】: ISO/IEC JTC 1/SC 32【标准类型】: ()【标准水平】: ()【中文主题词】: 人工语言;计算机软件;数据库;数据处理;数据库语言;定义;信息技术;接口(数据处理);多媒体;语义学;SQL;结构化询问语言;句法【英文主题词】: Artificial languages;Computer software;Data bases;Data processing;Database languages;Definition;Definitions;Information technology;Interfaces (data processing);Multimedia;Semantics;SQL;Structured Query Language;Syntax【摘要】: This part of ISO/IEC 13249a) introduces the Spatial part of ISO/IEC 13249,b) gives the references necessary for this part of ISO/IEC 13249,c) defines notations and conventions specific to this part of ISO/IEC 13249,d) defines concepts specific to this part of ISO/IEC 13249,e) defines spatial user-defined types and their associated routines.The spatial user-defined types defined in this part of ISO/IEC 13249 adhere to the following.— A spatial user-defined type is generic to spatial data handling. It addresses the need to store, manageand 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 combinationwith another spatial data type.Implementations of this part of ISO/IEC 13249 may exist in environments that also support geographicinformation, decision support, data mining and data warehousing systems.Application areas addressed by implementations of this part of ISO/IEC 13249 include, but are notrestricted to, automated mapping, desktop mapping, facilities management, geoengineering, graphics,location based services, multimedia and resource management applications.【中国标准分类号】: L74【国际标准分类号】: 35_060【页数】: 608P.;A4【正文语种】: 英语
|
|