Re: Query streams

I think that I don't understand your point. Are you saying that a query stream is the implementation of a continuous query over a data stream? That would imply that there is no really a difference between a data stream and a query stream...

Thanks in advance

Michal Widera <michal_at_itam.zabrze.pl> wrote in message news:<bb27jg$7gv$1_at_zeus.polsl.gliwice.pl>...
> Well,
>
> I think i can answer your question.
> A few years ago some of the sci. in MIT, Stanford and few others began
> work on Data Stream Management System. ie. Database management system
> where almost all information is represented as continous streams.
> Great. Considering this - this sceintists trying to formalize a
> declarative query language based on SQL.
> Notice, that existence of continously appended structures need
> continously updated answers. So potential query - if they are possilbe
> to formalize - should return a continous stream of data as an answer.
> First beta has been released - by Telegraph Project - based on
> PostgreSQL (Crator of PostreSQL is involved in DSMS idea also -Project
> Aurora/Medusa)
>
> PS. I also working over this - and creating a DSMS for biomedical purpose.
> Best Regards.
>
> M.Widera
>
> Uz.ytkownik Juan Pardillos napisa?:
> > Hi everybody,
> >
> > would someone please tell me what is a "query stream"? I had heard
> > about data streams, but never before about query streams...
> >
> > Any idea or hint is greatly appreciated.
> >
> > Thanks in advance
Received on Wed May 28 2003 - 23:17:30 CEST