A data warehouse migration replaces the technology, not the workload. Workload management, physical design, predictability and governance all reappear in cloud architectures under new names — and AI agents, which have no office hours, are about to change the economics again.
Companies are laying off experienced architects and doubling down on offshore coding teams — at the exact moment AI is automating the implementation work those teams do. The math says AI-augmented senior teams are cheaper and better than offshoring. So why is management choosing the most expensive option and calling it efficiency?
Z-ordering and Liquid Clustering both aim to improve Databricks query performance through data skipping. But when your data is skewed, one of them quietly becomes useless. A visual explanation of why — and how the Hilbert curve changes everything.
When Microsoft launched Fabric, it promised to unify analytics under one roof. Databricks, meanwhile, has been building its lakehouse platform for years. Both aim to be your central data platform — but they make fundamentally different bets on how much complexity to show you. Having worked across Teradata, Snowflake, and Databricks environments in European banking …
If you have spent any amount of time working with Teradata, you know that the Primary Index is one of the most important design decisions you make. It determines how data is distributed across AMPs and whether your joins are fast or slow. Choosing the wrong Primary Index is one of the most common causes …
Somewhere around 2020, the data world quietly arrived at a conclusion that Teradata engineers could have told you in 1984: SQL on a massively parallel architecture is a pretty good way to process large volumes of data. The path to get there was anything but quiet. It involved billions in capital, an entire generation of …
Every data platform eventually faces the same question: how do you serve both the analyst running a full-table scan across billions of rows…
Why data warehouse professionals have been doing “bronze, silver, gold” for over 20 years. If you have been working in data warehousing for any length of time, the first time you heard about the “medallion architecture” you probably had one reaction: We already do this. You were right. The medallion architecture, popularized by Databricks as …
1. The Forgotten Performance Trick: A Semicolon That Saves Time For decades, Teradata developers have quietly used one of the smallest but most powerful performance optimizations in BTEQ:a semicolon at the start of a line. This isn’t just a style choice.It tells Teradata to combine all statements into one multi-statement request, parsed and executed as …
For many years, Teradata was the undisputed leader in large-scale data warehousing. Banks, insurers, and telcos built their most critical systems on it. Today, the market is very different. Cloud-native databases such as Snowflake, BigQuery, and Databricks have set new standards in elasticity and simplicity. The question is: what role will Teradata play in this …
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