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Message Posted: Tue, 24 Jan 2012 @ 21:15:17 GMT

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<-- Anonymously Posted: Tuesday, January 24, 2012 16:03 -->

Is there any documentation about the kind of approach the Optimizer takes, in Teradata. E.g. when does it do a rowhashmatch scan vs a merge join. At what pt would it like duplication vs local AMP building etc.

Thx

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