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SQL Anywhere 12.0.0 (Français) » SQL Anywhere Server - Spatial Data Support » Getting started with spatial data » Introduction to spatial data


Spatial data type syntax based on ANSI SQL UDTs

The SQL/MM standard defines spatial data support in terms of user-defined extended types (UDTs) built on the ANSI/SQL CREATE TYPE statement. Although SQL Anywhere does not support user-defined types, the SQL Anywhere spatial data support has been implemented as though they are supported.

 Instantiating instances of a UDT
 Using instance methods
 Using static methods
 Using static aggregate methods (SQL Anywhere extension)
 Using type predicates
 Using the TREAT expression for subtypes