Subject | Re: [ib-support] Firebird performance is really poor |
---|---|
Author | David Van Couvering |
Post date | 2003-04-11T18:36:43Z |
OK, great, I'll check that. But write performance is also poor, and
this wouldn't help that.
David
Leyne, Sean wrote:
this wouldn't help that.
David
Leyne, Sean wrote:
> David,
>
> Another thing.
>
> > > Client applications written in what language, and what
> > database objects
> > > (BDE, IBO, etc)
> >
> > Java, JDBC. I am running TPC-B. I don't know what you mean by
> > "database objects"
>
> Please review the statement syntax. Unless the statements have been
> updated, they are most likely written using SQL-89 syntax/format:
>
> SELECT a.{Column}, b.{Column} from A, B where A.Foreign_key =
> B.ID..
>
> Firebird performs best if the SQL-92 syntax/format is used:
>
> SELECT a.{Column}, b.{Column} from A join B where B.ID =
> A.Foreign_key
>
> This same problem was experience by Carlos G.A. when he converted the
> AS3AP benchmark suite for his .Net Provider test suite for the project.
>
>
> Sean
>
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