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Re: query optimization in different databases?

From: Anton Versteeg <anton_versteeg_at_nnll.iibbmm.com>
Date: Thu, 02 Oct 2003 13:31:27 +0200
Message-ID: <3F7C0C8F.7050404@nnll.iibbmm.com> 





Make that DB2 please :-)



Christopher Browne wrote:



>The same is true of DB/2, Informix, and PostgreSQL; the quality of

>query optimization will vary quite a bit between them.  DB/2, being

>FAR and away the most mature of the bunch, probably does the best,

>overall.  (IBM was doing cost-based query evaluation decades ago.)

>

>  

>



-- 
Anton Versteeg
IBM Certified DB2 Specialist
IBM Netherlands


Received on Thu Oct 02 2003 - 06:31:27 CDT












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