Re: Prolog to SQL ..??


"Bore Biko" <bore_biko@xxxxxxxxxxx> wrote in message
news:deaie0$f4g$1@xxxxxxxxxxxxxxxxx
>
> russell kym horsell <kym@xxxxxxxxxxxxxxxxxxx> wrote in message
> news:de3hd9$c2c$1@xxxxxxxxxxxxxxxxxxx
> > W <wgw at cruzio dot com> wrote:
> > > They look similar because they are based on relations. however there
are
> a
> > > lot of differences in the details.
> > [...]
> >
> >
> > There are lots of nice tricks, but translating Prolog to SQL is not
> > so strange if you just treat SQL like an assembly language ;-) and use
> > bottom-up evaluation when appropriate.
> >
> >
> > There are obviously times when a Prolog clause or 2 can be translated
> > almost verbatim into some other relational calculus (SQL, loosley),
> > but a more general purpose translation has to abandone the idea that
> > the resulting SQL "looks like" it's doing what the original Prolog was
> > doing and/or in much the same way.
> >
> >
> > If you want something REALLY tedious, try Prolog to Yacc.
>
> Dear,
>
> The problem with Yacc is that he make only finite state automata,
> and don't make a gramar.The raly good idea is to use a SQL
> as assembly language,but the problem is how to translate,
> a big heap of programs(FORMS and REPORTS) writen in
> PL/SQL(ORACLE) or INFORMIX 4GL, or(I don't know
> what of development tools DB2 uses....
> If you know any of people working around this idea ginve mee
> a conntact with them....
>
>
> Thanks in advance, Robert !
> robert.bralic@xxxxxxxxxxx
>
>
>
Dear,

I we bean so confused, and I rememberd that with
YACC you can make a gramar,so I think your idea
is not bad, but I will bee thankfull if you can give
me some references or books about YACC...
And what with applications writen in development
tools of databases I realy don't know...??


Thanks in advance, Robert !


.

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