ST_SetSRID — Sets the SRID on a geometry to a particular integer value.
Sets the SRID on a geometry to a particular integer value. Useful in constructing bounding boxes for queries.
This function does not transform the geometry is any way - it simply sets the projection the geometry that it's currently in. Use ST_Transform if you want to transform the geometry into a new projection.
This method implements the OpenGIS Simple Features Implementation Specification for SQL.
This method supports Circular Strings and Curves