selecting DB on linux

["Jonathan Shore" <jshore@example.com>]

I'm moving away from oracle on Linux (a monster of a DB which was a
nightmare to install and maintain) and looking to replace with another DB.  

I'm looking for a DB which has a balance of the following:

*	conservative memory & cpu footprint (when not in use)
*	db recoverability (machine may go up and down unexpectedly) [sounds
bizzare but can explain if anyone is interested].
*	reasonable performance, but with an architecture that can scale
*	SQL compliance

The first 2 bullets is especially important as will be using on devices with
small memory footprints (256MB) and limited CPU time (other processes will
dominate).  In this scenario, expect few transactions, mostly DB reads.
[btw, never had any intention of using oracle in this scenario - wouldn't
even get a server running in this env].

Ideas on how postgresql, mysql, or other DBs would fit this profile?

JS

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