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_at_nnll.iibbmm.com>
Date: Thu, 02 Oct 2003 13:31:27 +0200
Message-ID: <3F7C0C8F.7050404_at_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 NetherlandsReceived on Thu Oct 02 2003 - 13:31:27 CEST