## Tip #6: Correcting invalid geometries

In Oracle one can gest for invalid geometries via the SDO_GEOM package’s VALIDATE_GEOMETRY (or VALIDATE_GEOMETRY_WITH_CONTEXT) function. To use it one does the following: Where 0.5 is the minimum distance between two vertices (I have deliberately not described the other overloaded version of this function that uses an DIMINFO structure). In SQL Server, if you executeRead More