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Esempio Aggregazione Geometrica

Per aggregare un numero di geometrie areali imprecisato (dipende dal raggruppamento di un campo) si utilizza la seguente funzione: SDO_AGGR_UNION(SDOAGGRTYPE(<campo geometia>, precisione)


select t.num_dist, SDO_AGGR_UNION(SDOAGGRTYPE(t.geometry,0.005)) GEOM from area_puc t WHERE T.NUM_DIST is not null group by t.num_dist

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