Cláudio Tereso

I'm from the Spectrum generation. I started copying programs from books so I could play them when I wasn't even 10 years old. From there, programming my own programs was a leap. As a teenager I did programming work for university students and when I started working it was in programming.

My interests changed and I entered the area of databases, SQL programming and network administration, areas in which I obtained several Microsoft certifications. Along the way I also published the books, by the Portuguese Editor FCA, "Local Networks in Windows 98 & 95 - Complete Course" and the corresponding update for the hated Windows Me.

I now work with SQL Server, Power BI, Azure and related Microsoft technology. I'm also having some fun with Python.
  • Interests: orienteering and all things mountain :)

Blogs

DiskANN Experiment — Exploring Entry Points and Graph Neighborhoods

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Introduction I was experimenting with vector search in SQL Server 2025 using approximately 3.8...

T-SQL Tuesday #203: Risk and Reward

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This is timely, as I’m currently on a boat in the Adriatic taking a...

dataMinds Connect 2026 – Slides & Scripts

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You can find the slides and SQL scripts for my session “Spice up your...

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Training the next generation

By Pat Wright

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Reusing Customer Specific Order Filtering Logic with CROSS APPLY and an Inline TVF (Part 4)

By Imran2629

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PostgreSQL psql Meta Commands: Databases

By Grant Fritchey

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Question of the Day

PostgreSQL psql Meta Commands: Databases

Which of the following meta commands (sometimes called backslash or slash commands) within psql will provide you with information about the databases on the cluster?

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