Search this page for the word "hash", you will find a good article on hash
joins.
http://www.itsystems.lv/gints/files/oracle/oracle.htm
- Ethan Post
-----Original Message-----
Sent: Thursday, May 31, 2001 4:57 AM
To: Multiple recipients of list ORACLE-L
Where can I get the documentation for join methods ?
rukmini
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Thursday, May 31, 2001 3:45 PM
> 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:[EMAIL PROTECTED]>
> <http://www.caribdata.co.uk>
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> Please see the official ORACLE-L FAQ: http://www.orafaq.com
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> Author: PD Miller
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