The SDO_TOPO_MAP.CREATE_FEATURE function is used to load topologies in Oracle Spatial. This function generates primitives from geometries, and builds topology objects on the primitives. What does the function return?
To convert an SDO_GEOMETRY object to a GML object, special consideration must be given to the SDO_GEOMETRY object that is to be converted. Which operation should be completed before SDO_UTIL.TO_GMLGEOMETRY is used?