- Spatial DBs do not have a set of operators that are considered to be basic elements in a query evaluation
- Spatial DBs handle a large set of complex data, which are not sorted in a dimension
- Complex algorithms are needed for evaluating spatial predicates
- It is not possible to assume that the computational cost in the query processing is only associated with I/O
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Última modificación: Saturday, 19 de November de 2005, 08:02