327 technical articles on Teradata, Snowflake, Databricks, SQL tuning and data warehouse architecture — written from production experience, not vendor decks.
Learning path: Physical design. View the suggested reading order. This reference includes release-specific examples; check the version context before applying a technique. Most Teradata performance problems are designed in long before anyone writes the query. This guide collects the physical design material from this site — the data model, the staging and preparatory layers, partitioning …
Learning path: SQL tuning and rewriting. View the suggested reading order. This reference includes release-specific examples; check the version context before applying a technique. The cheapest Teradata tuning available is almost never a new index. It is rewriting the query so the optimizer has less work to do and better information to do it with. …
Start with the tested SQL: The practical Teradata statistics guide includes COLLECT STATISTICS syntax, before-and-after EXPLAIN estimates, sampling and recollection examples tested on Teradata 20.00.28.81. The specialist examples below retain their original release context and were not retested in that lab. Learning path: Statistics and row estimates. View the suggested reading order. This reference includes …
Rethinking Cloud Pricing in the Age of AI AI, the Future of Cloud Pricing, and Business Outcomes AI Changes the Economics of Compute Continuous productive use can reduce scale-to-zero savings, but elasticity still helps changing demand and concurrency. Provider efficiencies and contract terms can also affect cost. The pricing outcomes discussed here are forecasts, not …
Artificial intelligence allows consulting and technology companies to complete many tasks with fewer employees. A senior consultant supported by AI can analyse requirements, generate code, prepare documentation, review test results, and create presentations much faster than before. Work that once required several junior employees can increasingly be completed by a small number of experienced people …
Connecting two systems was once the work. It is now the part a machine can do. What remains is the part that was always the point. Some time ago, I argued that the market does not pay for tool lists. The argument has aged in an unexpected direction. It is no longer only the list …
Why capable data and platform engineers stay invisible, underpaid, and afraid to apply There is a quiet fear in the current technology job market. Many people who are entirely capable of doing the work do not apply for it. They read a job description, see ten tools listed, and fix their attention on the two …
A practical guide to spec-driven development — built around one real website, so you can follow along and try it yourself. Whether a conversation persists after closing depends on the product and settings. Keep project decisions in versioned specifications so they remain reviewable independent of chat persistence. This is vibe coding, and there is nothing wrong …
This is a story. The two men in it do not exist. Everything that happens to them does. Year One They had studied together, and so once a year or so they met at the same café near the old university, ordered the same coffee, and compared the shape of their careers. In the first …
Something is broken in how roles are advertised, and it is worth naming plainly, because most of you are blaming the wrong party for it. When you read a posting and feel that you do not qualify, the instinct is to assume the gap is in you. In most cases, the gap is in the …
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