On Tuesday, August 28, 2012 11:52:26 AM Ing.Edmundo.Robles.Lopez wrote: > Please, could you help to give peace of mind to my boss and make sure > that the version we choose to be as smooth as possible compatible with > version 8.3? > All compatibility changes are indicated in the upgrade notes from one version to another. Read them, see if they apply to you. Install 9.1 on a test server. Test it with your data. It's free :) > indeed to restore the dump of the 83 in 9.1 had a bug in UTF-8, will I > have the same problem with the 8.4??? Probably. If you have data in your UTF-8 database that is not valid UTF-8 you will eventually need to clean it up. Also, some of the default config options have changed (in particular bytea encoding options); they were the only issues I ran into when upgrading. But only you know what features your applications use. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general