Re: [Help-smalltalk] Persistency

[Giuseppe Luigi Punzi Ruiz]

El 28/05/2010, a las 17:31, Paolo Bonzini escribió:

> > DBI (MySql, Postgres)? some tutorial or something to learn how to  
> > use it?,
> > other type of persistence?
>
> MySQL or Postgres are a good choice.  Alternatively SandstoneDb, or
> ObjectDumper, or just image-based persistance.  If you don't use a
> "real" database, however, I'd develop also a secondary persistance
> scheme (based on XML or something like that) to use in case something
> goes wrong in the image.


Yes, I though about this.My initial idea is working in memory with  
some persistence to this.

I don't know how exactly SandstoneDB works, I only readed a little  
about it, but one of my ideas, is take it, study it a little, and  
modify to persist to plain text in a legible format (I don't know if  
SandstoneDB do this....something like YAML), for a second parallel  
project I have in mind with a friend (a txt db).  A little concept, in  
spanish, from begining of 2009 ( http://www.lordzealon.com/dokuwiki/doku.php?id=gnustep:idea_principal 
 )

The problem with my project TXTDB, is, thath was born as a one-user  
database. And for this project, I'm worried because, I don't know  
nothing about developing DBs, and Object DBs less :P and this, could  
be an ambitious project. What happen with multiuser? This needs an  
engine controlling transactions, locks, and so on, and I think I don't  
have time and knowledge to afford something like this. Probably, in  
the future? I don't know now.

About the main topic, the SaaS project, will be a little bills/quotes  
application. And will be more than one user at time working with the  
app.

With SaaS concept in mind, is probably will be more than one user,  
from more than one company. I suppose, in this situation, each company  
may need his own instance of GST.

For all of this, I asked for the best option well knowed and stable.

Giuseppe Luigi Punzi Ruiz
Blog: http://www.lordzealon.com
Twitter & Skype & GoogleTalk accounts: glpunzi