Re: [Tracker] does tracker support relational database

[Adrien Bustany <abustany gnome org>]

Le Tue, 1 Jun 2010 22:41:16 +0530,
John p <johnney005 gmail com> a écrit :

> Hi,
>    i have few question about tracker database
>
> 1> my requirement is to have relational database in sqlite. does
> 1> tracker
> support relational database in sqlite?
>      if not then how it store data in sqlite?
>
> 2> can i define my own customize schema in tracker's sqlite database?
> 2> if yes
> then how i can use it.
>
> 3> how tracker assign unique id to each piece of meta data of media
> 3> file.
>
> 4> i want to use unique object id of meta data across the various
> application so can use the unique object id for my requirement.
>
>
>
> thanks,
> John

Hello John

Tracker is by definition a RDF database, ie. not relational. It does
use SQLite to store data, but that's something internal, no relational
interface is exposed publicly. You can however create custom schemas
(we call them ontologies) in RDF.

Cheers

Adrien