How often is the data changed ? Is it required to be 'real time' ? If
not, then perhaps you could use a snapshot rather than a big query ?
have you tried using indexes as well ?
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: 12 June 2001 14:29
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: RE: Slow execution
>
>
>
> I am also facing this kind of stuff. But I see the problem
> in SELECT only.
> I am joining 6 tables some of them from other databases. and
> when I run the
> query on SQL client it takes time but not that much the perl
> DBI is taking.
> ofcourse my oracle database contains millions of records. Is that the
> problem?
>
> Regards,
> Prem
>
>
>
>
> -----Original Message-----
> From: Michelle Gerfort [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, June 12, 2001 9:29 AM
> To: Michael Nhan; [EMAIL PROTECTED]
> Subject: Re: Slow execution
>
> 20
> Actually the sqlstatement takes a while with the sqlplus as
> well, so I guess
> it might be a tuning issue.
> Anyway, Here is a snip of my code, with a lot of time checks:
>
> ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) =
> localtime(time);
> print "Time before preparing sqlstatement: $hour $min $sec <br>";
>
> my $sth = $dbh->prepare( $sql );
> print "$sql <br>";
>
> ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) =
> localtime(time);
> print "Time before executing the sqlstatement: $hour $min
> $sec <br>";
>
> $sth->execute();
>
> ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) =
> localtime(time);
> print "Time after executing the sqlstatement, before
> binding to columns:
> $hour $min $sec <br>";
>
> $sth->bind_columns( @AllBcol );
>
> ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) =
> localtime(time);
> print "Time after binding to columns: $hour $min $sec <br>";
>
> I can se in the time-outputs, that it takes a very long time doing the
> execution
>
> /Michelle
>
> Michael Nhan wrote:
>
> > Hi,
> >
> > Can you post snipet of code so we can assist you? Include the sql
> > statement if possible? Does the same statement work
> quickly on sqlplus?
> > If not then its probably a sql statement/database tuning issue.
> >
> > Michael
> >
> > On Tue, 12 Jun 2001, Michelle Gerfort wrote:
> >
> > > Date: Tue, 12 Jun 2001 15:17:28 +0200
> > > From: Michelle Gerfort <[EMAIL PROTECTED]>
> > > To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> > > Subject: Slow execution
> > >
> > > Hi there
> > >
> > > I use an ordinary
> > > $sth->execute();
> > > but it seems to take ages to search, creating or updating a post.
> > > Is this problem due to the sqlstatement or is it a known
> problem with a
> > > perl DBI interface?
> > >
> > > I run Oracle 7.3.3 on an AIX 4.2 with roxen as webserver.
> > >
> > > --
> > > MVH
> > > Michelle
> > >
> > > -----------------------------------
> > > Michelle Gerfort
> > > Software Engineer
> > >
> > > Teligent AB
> > > P.O. Box 1191
> > > SE-581 11 Linköping, Sweden
> > >
> > > www.teligent.se
> > >
> > >
> > >
>
> --
> MVH
> Michelle
>
> -----------------------------------
> Michelle Gerfort
> Software Engineer
>
> Teligent AB
> P.O. Box 1191
> SE-581 11 Linköping, Sweden
>
> www.teligent.se
>
>
