Merlin Moncure wrote on 12.09.2013 18:37:
By the way, for in-place major version upgrade (not dumping DB and
import again), MySQL is doing a better job in here.
http://www.postgresql.org/docs/9.3/static/pgupgrade.html
pgupgrade has nothing to do with this: that's just a tool that does in
place binary upgrades of the database (basically optimizing the
dump/reload process).
The link was posted as a response to the part:
By the way, for in-place major version upgrade
(not dumping DB and import again), MySQL is doing a better job in here
and for that pg_upgrade *is* a valid alternative.
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