Publication
SOFT COMPUTING METHODS IN GEOSCIENCES
(SGEM Scientific GeoConference, 2005, A. Popov)
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It is presented in the paper two approaches for geographic data storage and maintenance in Relation data base management system (RDBMS). The methods for data indexing and organization of data storage in DB are discussed as follows: Creating of spatial index on the basis of Quad-tree, applied in the ORACLE 8i module - ORACLE Spatial; Creating of spatial index on the basis of R-tree or rectangle grid coverage over the map with spatial data applied in ORACLE Spatial and ESRI SDE (Spatial Database Engine). The discuss...
Informatics2005