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I am trying to update a table B geom column with the coordinates from table A. Table A having coordinates in two separate columns x and y. Table B to have the coordinates from Table A into Table B's geom spatial column.

Table A and B have an ID in common for each record.

I usually use FME to do this but this time I'd like to do it using pure SQL.

Any suggestions on how to do it?

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  • stackoverflow.com/questions/14707442/… Commented Jun 3, 2015 at 2:09
  • @Mapperz, that answer about how to update SRID does not help much with this challenge. Commented Jun 3, 2015 at 7:40

1 Answer 1

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This should work if your spatial table is "geo_table" and using SRID=4326, geometry column is "geometry", and coordinates are in table "coord_table" in columns "X" and "Y" 

update geo_table a set a.geometry=
(select
SDO_GEOMETRY(2001,
4326,MDSYS.sdo_point_type(b.X,b.Y, NULL),NULL, NULL)
from coord_table b
where a.id=b.id);
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  • Just nitpicking: you don't need the MDSYS prefix. Also parentheses around SDO_GEOMETRY are not required. But that is the correct solution. Commented Jun 3, 2015 at 9:39
  • Thanks, the cleaner the better so I edited my answer. I only tested that the statement gave correct result. Commented Jun 3, 2015 at 10:07

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