STMPointFromWKB (geometry Data Type)
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Returns a geometryMultiPoint instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation.
Syntax
STMPointFromWKB ( 'WKB_multipoint' , SRID )
Arguments
WKB_multipoint
Is the WKB representation of the geometryMultiPoint instance you wish to return. WKB_multipoint is a varbinary(max) expression.
SRID
Is an int expression representing the spatial reference ID (SRID) of the geometryMultiPoint instance you wish to return.
Return Types
SQL Server return type: geometry
CLR return type: SqlGeometry
OGC type: MultiPoint
Remarks
This method will throw a FormatException if the input is not well-formatted.
Examples
The following example uses STMPointFromWKB() to create a geometry instance.
DECLARE @g geometry;
SET @g = geometry::STMPointFromWKB(0x010400000002000000010100000000000000000059400000000000005940010100000000000000000069400000000000006940, 0);
SELECT @g.STAsText();