need help to choose an appropriate database

[Gustavo Cordova]

> 
> I use zope to access to a database, but I have to choose it.
> I mustn t store a lot of data so should i choose MySQL, PostGreSQL or
> anther one ?
> Which one is the most efficient ( speed...)
> 

Is this your sole consideration? Then go by MySQL, it's the fastest.

Will you (eventually) need transactions and such? Then go with
PostgreSQL; it has good performance and also has ACIDity.

Good luck.

-gustavo