in Ram database?

Andy Todd andy47 at
Fri Sep 5 17:09:27 CEST 2003

John Roth wrote:

> "John D." <lists at> wrote in message
> news:mailman.1062728122.8678.python-list at
>>Does anyone know if there is an "in-ram" dictionary based database
>>for Python.
>>I can see some applications where this can really be powerful in
>>applications requiring 10,000 records or less.
>>Is such a database available?   If so,  who is working on it,
>>or where is it?
>>I've heard that Python supports a stand-alone database.   I looked
>>for it in the Docs,  and see the "dbm" module.   I haven't found
>>any examples of code,  so don't know how to use them.   I'm one
>>of those guys that learn through examples,  and have very little
>>luck in figuring out how to use anything unless I can see examples
>>of their use.
>>My idea is that ALL datums would be Python Dictionary objects,  so
>>not only can you store data,  but python objects as well.
>>Storage to disk would be through pickled files,  or through CSV
>>format,  allowing easy import and export from other databases.
>>I'm sure something like this exists,  I just haven't found it yet,
>>and if not,  then I'm well on my way of implementing one myself.
>>I kinda like the idea of being able to define smaller tables as
>>"in-memory" types,  and the really large massive ones in other forms
>>managed by mySQL, PostGres, or bsddb3 databases.
>>Any leads you guys???
> Look at Prevalyar. While it's a Java project, it might give
> you some ideas about what's possible if you forget "data base"
> and simply think "persistance."
> John Roth

Or you could look at the Python port of Prevayler (well, thats how it 
started out);

 From the desk of Andrew J Todd esq -

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