From the DWHPro archive
Understanding Teradata Hash Collisions - A Case Study
You think Teradata Hash Collisions are a problem that does not concern you? I think after reading this article you will think differently!
Also worth reading: Teradata SQL Tuning and Query Rewriting
— Roland
Written by Roland Wenzlofsky — 25 years on enterprise data platforms, author of Teradata Query Performance Tuning.
Reply to this email if you think I am wrong. I read every reply.
The full method is in the book — Teradata Query Performance Tuning.
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