On 10/10/2012 04:47 PM, Vineet Deodhar wrote:
2) I run MySQL from a USB stick.
There is no installation required (on WinXP.). (not tried on Ubuntu)
Is it the same for pgsql?
On Windows PostgreSQL is usually installed as a system service with its
own user account (pre-9.2) or running in the network service account
(9.2+). This isn't strictly required, though.
You can keep the .zip binary releases on a USB key and use pg_ctl to
start/stop them from your own scripts. If you're bundling Pg in your
application this may be the best choice. See:
http://www.enterprisedb.com/products-services-training/pgbindownload
You *really* shouldn't keep the database its self on a USB key.
Performance is likely to be terrible, and many USB keys have quite short
write lifetimes so a database on a USB key can wear some of them out in
a real hurry.
Think about your backup process too. With PostgreSQL you have a couple
of options, including log archiving, periodic dumps, and warm standby.
Please read the backup chapter of the manual in detail.
--
Craig Ringer
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