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Cardinal Rules, a three panel cartoon by SQLAuthority. Sam asks the red bird for last quarter revenue. The bird types in a blur and calls the query poetry. Sam says there is no table called Revenue Final, and the bird replies that there should be.

AI Hallucinated a Table That Was Never There

September 26, 2026
Pinal Dave
AI
AI, Database, DBA, SQL Humor

AI hallucinated a table, wrote a lovely query against it, and handed the whole thing over without blinking. Say hello to Cardinal.

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An empty warehouse receiving dock at dawn with a new conveyor running to an open door, and a hand-lettered cardboard sign taped to the frame reading MONDAYS: WAIT TILL 9

AI Generated ETL Worked on Day One. Then Came Monday.

September 25, 2026
Pinal Dave
AI
AI, Data Observability, Data Warehousing, ETL

AI generated ETL ran clean on the first try, and it took six weeks to find out what it was missing. A late Monday file, a file sent twice, a file full of zeros and mangled names all got through. The ugly old job had a rule for every one of them, and nobody had written those rules down. Now I ask AI for the failure list before I ask for any code.

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Three views of tea: stirring with a spoon, swirling after removal, and gradually settling.

Navier-Stokes Problem: What It Is and What AI Found

September 18, 2026
Pinal Dave
AI
AI, Mathematics

The Navier-Stokes problem in plain words: what the famous fluid question asks, what AI says it found, and why it is not official yet.

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Fermat Left a Note in a Margin. Other People Spent 358 Years Finishing It.

Fermat Left a Note in a Margin. Other People Spent 358 Years Finishing It.

September 14, 2026
Pinal Dave
AI
Mathematics

That note kept mathematicians busy for the next three and a half centuries. Let us talk about what Fermat left in a margine.

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Everyone Expected AI to Come From the Big Companies

Everyone Expected AI to Come From the Big Companies

September 9, 2026
Pinal Dave
AI
Professional Development

Everyone expected AI to come from the big companies. The research did come from their labs, but the products did not, and the reason is not talent or budget.

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A glossy office reception under a huge AI FIRST banner, where the receptionist has given up on the terminal and is running a finger down a paper phone directory

Ten AI Phrases We Use Too Often

September 7, 2026
Pinal Dave
AI
Developer

In 2013 I wrote a small list of phrases developers used too often. Twelve years later, here are ten AI phrases I hear every week, and what each one means.

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A person in a kitchen recognizes their own handwriting on a note posted back to them

Tech Conferences: Five Questions About the Money

September 3, 2026
Pinal Dave
AI
Conferences

I said tech conferences are worth every hour and the sessions are not. Nobody argued about the sessions. They wrote about money instead, and five questions arrived.

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