Spec-Zone .ru
спецификации, руководства, описания, API
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MySQL provides a standard way of creating spatial columns for geometry types, for example, with CREATE TABLE
or ALTER
TABLE
. Currently, spatial columns are supported for MyISAM
, InnoDB
, NDB
,
and ARCHIVE
tables. See also the annotations about spatial indexes under Section
12.18.6.1, "Creating Spatial Indexes".
Use the CREATE
TABLE
statement to create a table with a spatial column:
CREATE TABLE geom (g GEOMETRY);
Use the ALTER
TABLE
statement to add or drop a spatial column to or from an existing table:
ALTER TABLE geom ADD pt POINT;ALTER TABLE geom DROP pt;