BS EN ISO 19125-2-2005 地理信息.简单特征选取.结构化查询语言(SQL)选项

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标准号:BS EN ISO 19125-2-2005
中文标准名称:地理信息.简单特征选取.结构化查询语言(SQL)选项
英文标准名称:Geographic information - Simple feature access - SQL option
标准类型:A76
发布日期:2005/2/8 12:00:00
实施日期:2005/2/8 12:00:00
中国标准分类号:A76
国际标准分类号:35.240.70
适用范围:This part of ISO 19125:2004 specifies an SQL schema that supports storage, retrieval, query and update of simple geospatial feature collections via the SQL Call Level Interface (SQL/CLI) and establishes an architecture for the implementation of feature tables.This part of ISO 19125:2004 defines terms to use within the architecture. of geographic information and defines a simple feature profile of ISO 19107. In addition, this part of ISO 19125:2004 describes a set of SQL Geometry Types together with SQL functions on those types. The Geometry Types and Functions described represent a profile of ISO 13249-3.This part of ISO 19125:2004 standardizes the names and geometric definitions of the SQL Types for Geometry and the names, signatures and geometric definitions of the SQL Functions for Geometry.This part of ISO 19125:2004 does not attempt to standardize and does not depend upon any part of the mechanism by which Types are added and maintained in the SQL environment, including the following:the syntax and functionality provided for defining types;the syntax and functionality provided for defining SQL functions;the physical storage of type instances in the database;specific terminology used to refer to User Defined Types, for example, UDT.

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