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create table xmg
(
xid number primary key,
north number(30,15) not null,
west number(30,15) not null,
south number(30,15) not null,
east number(30,15) not null,
area number(30,15) not null,
len number(30,15) not null,
geometry blob not null
)
organization index
tablespace "AA"
lob (geometry) store as points
(
tablespace "BB"
retention
)