Question

characteristics of spatial data with example

Answer 1

Properties of spatial data types. Typically, points represent an object at a single location, linestrings represent a linearcharacteristic, and polygons represent a spatial extent. ... You can define a column as type ST_Geometry, but ST_Geometry values cannot be inserted into it since they cannot be instantiated.

Answer 2

The use of GIS technology in engineering in general,in hydrology,in particular ,has become feasible due to primarily to the possibility of handling and integrating enormous amounts of geographic data efficiently.