[erlang-questions] How to use Mnesia Database from C/C++/Java ?

Søren Hilmer sh@REDACTED
Mon Jan 21 11:28:31 CET 2008

There is/used to be, something called Mnesia Session for doing exactly this.

I do not however see the documentation for it in the latest release, tehre
is something here

But if that is the latest I am not sure.

Søren Hilmer, M.Sc., M.Crypt.
wideTrail            Phone: +45 25481225
Pilevænget 41        Email: sh@REDACTED
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On Mon, January 21, 2008 08:52, Amritpal Singh wrote:
> Dear All,
> I am completely novice to Erlang, though have been working into telecom
> domain for quite some time.
> I have some of my applications like SMSC and others which need temporary
> data-storage written in C.
> Till date, i have been using relational databases like 'MySQL/Oracle' for
> temporary storage purpose. Because of performance constraints i need to
> shift this temporary storage to some in-memory database.
>>From initial overview, 'MNESIA' seems to be perfect replacement for my
>> scenario.
> Have installed the same and tried to access the same from 'Erlang' ,
> thankfully , have got the success in doing the same.
> Now, my problem is , i don't want to change the core of my application
> which is already encoded in 'C' , so need to access 'Mnesia DB' from 'C'.
> As per my findings, there are no ODBC drivers available for Mnesia.
> So, think need to have some kind of external interface to 'Erlang' like
> 'Erl_Interface' which i can use from 'C' program to interact with 'Mnesia
> DB'.
> I just want to know if someone has worked on such kind of architecture ?
>  If yes, can u please share your valuable experiences ?
> If no, how feasible and reliable does it seem to you ?
> Waiting for your valuable inputs.
> Thanks and Regards,
> Amritpal Singh
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