New answers tagged postgis
A couple of things that have caught you out here. In the SQL Server version using the Point, the order of the coordinate is Lat Lon, eg Y X. The OGC Point construct is X Y or Lon Lat. The next is that the PostGIS query you've posted actually returns 8.20039023523232e-005 which while appearing similar to the SQL Server result, is quite a lot smaller. The ...
If it's one time setup, I think dump would be easiest. But if You need your update be available on customer, then I think streaming replication would be easier, set up once and no need to update in the future as the replication will handle the data updates. http://www.postgresql.org/docs/current/static/high-availability.html
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