RE: 4 join methods?

I think you mean bitmap join indexes which is a new feature in 9i.

Regards,

Waleed

-----Original Message-----
Sent: Thursday, May 31, 2001 1:08 PM
To: Multiple recipients of list ORACLE-L

There is certainly something new called an index join around in 8i.

dgoulet_at_vicr.com wrote:

> I wonder if their thinking of the star join??
>
> Dick Goulet
>
> ____________________Reply Separator____________________
> Author: =?iso-8859-1?q?Connor=20McDonald?= <hamcdc_at_yahoo.co.uk>
> Date: 5/31/2001 5:00 AM
>
> And with all the "hoopla" that Oracle are spouting,
> I'm sure they'll be trying to convince us that (8i)
> partition wise join is a "new" type as well..
>
> :-)
>
> Connor
>
> --- PD Miller <millerp_at_caribdata.co.uk> wrote: > At
> 22:55 -0800 30/5/01, Rukmini Devi wrote:
> > >1. Equi-join 2. Self-join 3. Outer-join 4.
> > Hash-join
> >
> > Outer join is a logical type not an access method.
> >
> > the four types of join that Oracle can use:
> >
> > Nested Loops join
> > Sort Merge join (equi-join only)
> > Cluster join (equi-join on cluster key only)
> > Hash join (equijoin, cost-based only)
> >
> > Regards
> >
> > Paul Miller
> > --
> > -
> > Carib Data Limited
> >
> > <mailto:millerp_at_caribdata.co.uk>
> > <http://www.caribdata.co.uk>
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> > Author: PD Miller
> > INET: millerp_at_caribdata.co.uk
> >
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> =====
> Connor McDonald
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Venlig hilsen

Mogens Nørgaard

Technical Director
Miracle A/S, Denmark
Web: http://MiracleAS.dk
Mobile: +45 2527 7100


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