what's hash-join

Hi Rukmini
could tell me what's that hash-join

GSK                                                                                             

                    "Rukmini                                                           
    
                    Devi"                To:     Multiple recipients of list ORACLE-L  
    
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                    Sent by:             Subject:     Re: 4 join methods?              
    
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                    31-05-01                                                           
    
                    09:55 AM                                                           
    
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1. Equi-join     2. Self-join     3. Outer-join  4. Hash-join

rukmini
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Thursday, May 31, 2001 11:20 AM

> i feel the fourth one is self join.
>
> ----- Original Message -----
> To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> Sent: Thursday, May 31, 2001 8:10 AM
>
>
> > Hi,
> >
> > I just read there are four join methods. I know three:
> >
> > Nested loops
> > Sort merge
> > Hash join
> >
> > What's the fourth?
> >
> > - Greg
> >
> > --
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> > --
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> > INET: sqlgreg_at_pacbell.net
> >
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--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Rukmini Devi
  INET: rukmini_at_indbrain.com

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-- 
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-- 
Author: Senthil Ganapathi
  INET: senthil.ganapathi_at_mannai.com.qa

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