MySQL 4.1(en)

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https://dev.mysql.com/gis-class-multipolygon.html

A MultiPolygon boundary is a set of closed curves (LineString values) corresponding to the boundaries of its Polygon elements. A MultiPolygon is a MultiSurface object composed of Polygon elements. MultiPolygon Examples On a region map, a ...

11.5.2.7 Polygon Class

https://dev.mysql.com/gis-class-polygon.html

Polygon Assertions The boundary of a Polygon consists of a set of LinearRing objects (that is, LineString objects that are both simple and closed) that make up its exterior and interior boundaries. A Polygon is a planar Surface representing a ...

12.16.4 Functions That Create Geometry Values from WKB Values

https://dev.mysql.com/gis-wkb-functions.html

ST_LineFromWKB(wkb[, srid [, options]]), ST_LineStringFromWKB(wkb[, srid [, options]]) Constructs a LineString value using its WKB representation and SRID. ST_MLineFromWKB(wkb[, srid [, options]]), ST_MultiLineStringFromWKB(wkb[, srid [, options]]) ... These functions take as arguments a BLOB containing a Well-Known Binary (WKB) representation and, optionally, a spatial reference system identifier ...

12.16.3 Functions That Create Geometry Values from WKT Values

https://dev.mysql.com/gis-wkt-functions.html

mysql> SET @g = "MULTILINESTRING((10 10, 11 11), (9 9, 10 10))"; mysql> SELECT ST_AsText(ST_GeomCollFromText(@g)); +--------------------------------------------+ | ST_AsText(ST_GeomCollFromText(@g)) | +--------------------------------------------+ | ... These functions take as arguments a Well-Known Text (WKT) representation and, optionally, a spatial reference system identifier ...

9.3 Keywords and Reserved Words

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 ...

25.27 The INFORMATION_SCHEMA ST_GEOMETRY_COLUMNS Table

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 ...

12.16.11 Spatial GeoJSON Functions

https://dev.mysql.com/spatial-geojson-functions.html

As specified in the GeoJSON specification, parsing is case sensitive for the type member of the GeoJSON input (Point, LineString, and so forth). This section describes functions for converting between GeoJSON documents and spatial values. Feature ...

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