DWHPro helps thousands of visitors every month to become experts in Teradata and data warehouse design and operations by Roland Wenzlofsky

#66 May 14, 2026

Free lifetime access to the new DWHPro Newsletter, before 1 July 2026

A short update for you. After many years of running the DWHPro newsletter, I am moving it to a new home at…

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#65 May 8, 2026

The DWHPro newsletter is moving — lock in free access for life

A short update. After many years of running the DWHPro newsletter, I'm moving it to a new home at letters.dwhpro.com.…

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#64 Apr 12, 2026

6x Bonus Etecsa - Quedan solo 7 horas!

🇨🇺 🔥 6X BONUS ETECSA! Recarga hoy y tu familia en Cuba recibe 6X el saldo principal! Quedan solo 7 horas! Recargar…

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#63 Mar 8, 2026

Where did/does your company migrate to? (30-second poll)

I am running a poll on LinkedIn to find out which data platform migration paths are most common right now. If your…

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#62 Mar 6, 2026

Data Warehouse of Horrors: 20 Years of Watching Smart People Build Stupid Things

In 1999, five people could build a production data warehouse in twelve months. Today, the same company needs 120…

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#61 Mar 4, 2026

The 15-Year Detour: How the Data Industry Spent Billions Reinventing SQL

SQL is dead. The future is MapReduce. Ok, we need SQL on Hadoop. Here's Hive. Hive is too slow. The future is Spark. OK,…

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#60 Feb 23, 2026

Two Identical Teradata Migrations - Wildly Different Snowflake Costs

If two companies migrate the same Teradata system to Snowflake, with the same data, indexes, statistics, and…

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#59 Feb 21, 2026

5 Things That Break When You Migrate from Teradata to Snowflake

Your Teradata expertise is valuable. But carried into Snowflake unchanged, it can cost you. This article covers five…

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