https://dev.mysql.com/gis-linestring-property-functions.html
You can extract particular points of a LineString, count the number of points that it contains, or obtain its length. Unless otherwise specified, functions in this section handle their arguments as follows: If any argument is NULL or any geometry ...
https://dev.mysql.com/gis-class-multilinestring.html
A MultiLineString is a MultiCurve geometry collection composed of LineString elements. MultiLineString Examples On a region map, a MultiLineString could represent a river system or a highway system.
https://dev.mysql.com/func-op-summary-ref.html
GTID_SUBTRACT() Return all GTIDs in set that are not in subset. JSON_CONTAINS() Whether JSON document contains specific object at path JSON_CONTAINS_PATH() Whether JSON document contains any data at path JSON_DEPTH() Maximum depth of JSON document ...
https://dev.mysql.com/gis-data-formats.html
Two standard spatial data formats are used to represent geometry objects in queries: Well-Known Text (WKT) format Well-Known Binary (WKB) format Internally, MySQL stores geometry values in a format that is not identical to either WKT or WKB format.
https://dev.mysql.com/spatial-function-reference.html
The following table lists each spatial function and provides a short description of each one.
https://dev.mysql.com/spatial-operator-functions.html
OpenGIS proposes a number of functions that can produce geometries. These functions support all argument type combinations except those that are inapplicable according to the Open Geospatial Consortium specification. Unless otherwise specified, ...
https://dev.mysql.com/gis-geometry-class-hierarchy.html
The geometry classes define a hierarchy as follows: Geometry (noninstantiable) Point (instantiable) Curve (noninstantiable) LineString (instantiable) Line LinearRing Surface (noninstantiable) Polygon (instantiable) GeometryCollection (instantiable) ...
https://dev.mysql.com/gis-wkt-functions.html
These functions take as arguments a Well-Known Text (WKT) representation and, optionally, a spatial reference system identifier (SRID). For a description of WKT format, see Well-Known Text (WKT) Format. Functions in this section detect arguments in ...
https://dev.mysql.com/mysql-cluster-programs-ndb-size-pl.html
This is a Perl script that can be used to estimate the amount of space that would be required by a MySQL database if it were converted to use the NDBCLUSTER storage engine. Unlike the other utilities discussed in this section, it does not require ...
https://dev.mysql.com/mysql-command-options.html
mysql supports the following options, which can be specified on the command line or in the [mysql] and [client] groups of an option file. For information about option files used by MySQL programs, see Section 4.2.2.2, “Using Option Files”. This ...
