As we have seen, often the processing of an object cannot occur unless its
SDO_ELEM_INFO attribute informs an algorithm's decision making. This section will explore the extraction of various elements and subelements from different geometry objects by processing the
The Oracle API from 10gR1 onwards provides the
SDO_UTIL.Extract element extraction function. The function is as follows:
SDO_UTIL.Extract( geometry In SDO_GEOMETRY, element In NUMBER, ring In NUMBER DEFAULT 0 ) Return SDO_GEOMETRY;
Element: Number of the element in the geometry: 1 for the first ...