---------------------------+

ST_Dimension() and Dimension() are synonyms.

Examples
--------

SELECT Dimension(GeomFromText('LineString(1 1,2 2)'));
+------------------------------------------------+
| Dimension(GeomFromText('LineString(1 1,2 2)')) |
+------------------------------------------------+
|                                              1 |
+------------------------------------------------+

URL: https://mariadb.com/kb/en/st_dimension/https://mariadb.com/kb/en/st_dimension/