https://dev.mysql.com/gis-class-surface.html
The OpenGIS specification defines a simple Surface as a geometry that consists of a single “patch” that is associated with a single exterior boundary and zero or more interior boundaries. The boundary of a simple Surface is the set of closed ...
https://dev.mysql.com/gis-wkb-functions.html
ST_MPolyFromWKB(wkb[, srid [, options]]), ST_MultiPolygonFromWKB(wkb[, srid [, options]]) Constructs a MultiPolygon value using its WKB representation and SRID. ST_PolyFromWKB(wkb[, srid [, options]]), ST_PolygonFromWKB(wkb[, srid [, options]]) ...
https://dev.mysql.com/gis-wkt-functions.html
ST_MPolyFromText(wkt[, srid [, options]]), ST_MultiPolygonFromText(wkt[, srid [, options]]) Constructs a MultiPolygon value using its WKT representation and SRID. ST_PolyFromText(wkt[, srid [, options]]), ST_PolygonFromText(wkt[, srid [, options]]) ... These functions take as arguments a Well-Known Text (WKT) representation and, optionally, a spatial reference system identifier ...
https://dev.mysql.com/glossary.html
R-tree A tree data structure used for spatial indexing of multi-dimensional data such as geographical coordinates, rectangles or polygons. These terms are commonly used in information about the MySQL database server. This glossary originated as a ...
https://dev.mysql.com/keywords.html
Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special treatment for use as identifiers such as table and column names. This may also be true for the names of built-in functions. Reserved words are permitted as ...
https://dev.mysql.com/st-geometry-columns-table.html
Permitted values are: geometry, point, linestring, polygon, multipoint, multilinestring, multipolygon, geometrycollection. The ST_GEOMETRY_COLUMNS table provides information about table columns that store spatial data. This table is based on the ...
https://dev.mysql.com/spatial-relation-functions-object-shapes.html
ST_Crosses() handles its arguments as described in the introduction to this section except that the return value is NULL for these additional conditions: g1 is of dimension 2 (Polygon or MultiPolygon). The OpenGIS specification defines the ...
