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I emphasise that I am a newbie in databases.

Is it possible to migrate from Oracle database to Postgres? If yes do you know any tested solutions?

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up vote 5 down vote accepted

libogr can read and write both Oracle and PostGIS. Use the ogr2ogr utility to convert your data.

Works well enough for us.

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Is it working regardless to database size? –  com Apr 11 '11 at 13:26
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I'm certain you can break it. Our main vector database has ~40M records in its largest table and a size of ~260GB. –  relet Apr 11 '11 at 13:32
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