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MySQL Reference Manual - 4.0.20

18. Spatial Extensions in MySQL

MySQL 4.1 introduces spatial extensions to allow the generation, storage, and analysis of geographic features. Currently, these features are available for MyISAM tables only.

This chapter covers the following topics:

• The basis of these spatial extensions in the OpenGIS geometry model

• Data formats for representing spatial data

• How to use spatial data in MySQL

• Use of indexing for spatial data

• MySQL differences from the OpenGIS specification

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