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create table customers (cid int, addr varchar(40), ..., loc db2gse.ST_Point) create table stores (sid int, addr varchar(40), ..., loc db2gse.ST_Point, zone db2gse.ST_Polygon) create index customersx1 on customers(loc) extend using db2gse.spatial_index(10e0, 100e0, 1000e0) create index storesx1 on stores(loc) extend using db2gse.spatial_index(10e0, 100e0, 1000e0) create index storesx2 on stores(zone) extend using db2gse.spatial_index(10e0, 100e0, 1000e0) insert into customers (cid, addr, loc) values (:cid, :addr, sdeFromBinary(:loc)) insert into customers (cid, addr, loc) values (:cid, :addr, geocode(:addr)) insert into stores (sid, addr, loc) values (:sid, :addr, sdeFromBinary(:loc)) update stores set zone = db2gse.ST_Buffer (loc, 2) select cid, loc from customers where db2gse.ST_Within(loc, :polygon) = 1 select cid, loc from customers where db2gse.ST_Within(loc, :circle1) = 1 OR db2gse.ST_Within(loc, :circle2) = 1 select c.cid, loc from customers c, stores s where db2gse.ST_Contains(s.zone, c.loc) = 1 selectivity 0.01 select avg(c.income) from customers c where not exist (select * from stores s where db2gse.ST_Distance(c.loc, s.loc) < 10)