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From David Goulden <re...@prepee.com>
Subject What happens during a database upgrade?
Date Wed, 27 May 2009 06:26:21 GMT

Good day,

We would like to update our derby version from 10.4.1.3 to 10.5.1.1 due to
the newer version's much improved performance with large CLOBS. However our
client is very conservative and would like to be sure the upgrade won't
cause any issues.

Can anyone tell me what changes are made to a database when derby performs
an upgrade? What is the best way to verify that the upgrade hasn't caused
any changes to the data?

Many thanks,

David

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