Difference between revisions of "ISO 19125-2:2004 Geographic information - Simple feature access - Part 2: SQL option"

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Revision as of 19:42, 25 February 2017

Overview)

Full name ISO 19125-2:2004, Geographic information – Simple feature access – Part 2: SQL option
Version Edition 1
Amendments None
Corrigenda None
Published by ISO/TC 211
Languages English
Online overview https://www.iso.org/obp/ui/#iso:std:iso:19125:-2:ed-1:v1:en
Type of standard ISO International Standard
Meta level
Related standard(s) ISO 19125-1:2004, Geographic information – Simple feature access – Part 1: Common access
ISO 19107:2003, Geographic information – Spatial schema
Application Part two of ISO 19125 specifies an SQL schema that supports storage, retrieval, query and update of simple geo-spatial feature collections.
Conformance classes SQL
SQL with Geometry Types
Implementation benefits ISO 19125-2 standardizes the names and geometric definitions of the SQL Types for the Geometry class, and names, signatures and geometric definitions of the SQL Functions for Geometry. The implementation of ISO ISO 19125-2 is an extension of SQL and is very simple to use. This extension of SQL is a very effective method of querying a database or performing complex analysis.
Products Two popular implementations of ISO 19125-2 are PostGIS (an extension of PostgreSQL) and Oracle Spatial.