Author: Jose S
Showing 5 articles
Keys, IDs, and joining in plain English
Why customer_id beats matching on names. Primary keys, foreign keys, one-to-many joins, and sheet habits that keep IDs stable.
Your first 30 minutes with Grok on the web or your phone
Spend your first thirty minutes on Grok with a structured plan. Learn how to configure your account, verify real-time search queries, test the difference between Fun and Regular…
Your first 30 minutes with ChatGPT on the web or your phone
Part 3 of Learn ChatGPT from scratch. A guided first half hour on chatgpt.com and mobile so you leave with one real output and a clear map of…
How to get started with Claude on the web and your phone
Part 3 of Learn Claude from scratch. A guided first half hour on claude.ai and mobile so you leave with one real output and a clear map of…
Keep spreadsheet data in plain tables, not decorated cells
Headers once, one value per cell, tidy vs wide. Turn pretty spreadsheet layouts into analysis tables that filter, join, and export without drama.
