Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.server -> Re: nested loop anti join vs hash anti join

Re: nested loop anti join vs hash anti join

From: Sybrand Bakker <postbus_at_sybrandb.demon.nl>
Date: Tue, 28 Mar 2006 07:19:38 +0200
Message-ID: <tphh22pdrfaercu1qmjoveoeqihhgltgmk@4ax.com> 





On 27 Mar 2006 19:07:13 -0800, dbaplusplus_at_hotmail.com wrote:



> I added a HASH_AJ hint to not in subquery and  my time reduced

>to 5 seconds (yes 5 seconds). 




because all of your data were probably in the buffer cache and you
didn't need to perform I/O



Apples != Pears


--
Sybrand Bakker, Senior Oracle DBA


Received on Mon Mar 27 2006 - 23:19:38 CST












Original text of this message













  HOME |
  ASK QUESTION |
  ADD INFO |
  SEARCH |
  E-MAIL US