Multimedia Software Engineering

GeoSabrina

Overview

A strong integration of spatial domains, spatial operators and indexing techniques into a relational DBMS

The expression of query Q

SELECT *
FROM Plot
WHERE Exists (
      SELECT *
      FROM Zone
      WHERE Zone.type"‘‘URBAN’’
      And Incl (Zone.geometry,Plot.geometry))
And   Exists (
      SELECT *
      FROM Historical-Monument HM
      WHERE Incl (Extend (HM.geometry, 500), Plot.geometry));