Category: Tutorials
You are in the right place if you want a lesson you can follow, not a glossary and not a product homepage. This shelf holds most of the articles on Analytics Made Simple. Two paths sit inside it on purpose. SQL is the database path: you have rows, and you need to ask a question without exporting another spreadsheet. AI is the tool path: chat products, open-weight models, and the jobs those tools are actually good at. Other tutorials land here when they teach a skill that does not belong on a narrower shelf.
A category page is the pile. A series page is the path, with a place to start and an order. If you open a tag or page 2 of this list, you are in a filing cabinet. The lesson is the article, or the series hub that lines the articles up.
Where to start: if the pain is a table, open the SQL series and use the first part on that page. If the pain is a model name or a chat tool, open the AI category and pick the product you already have on screen. If you are not sure which job you have, open Learn and choose the track that matches the work, not the logo.
How to automate data validation checks so bad data never reaches your reports
Automated checks catch bad data before leadership does. Build small scripts for row counts, referential integrity, freshness, and yesterday versus last week sanity so every number you ship…
Should you use Claude chat, Claude Cowork, or Claude Code for your job?
Chat, Claude Code, and Claude Cowork share a model family but not a job. Part 1 of the Claude Cowork tutorial separates conversation from software work from office…
How to use skills and scheduled tasks in ChatGPT Codex safely, one at a time
Skills, tasks, and scheduled help in ChatGPT Codex are power-ups, not day-one defaults. Climb a complexity ladder, hedge product renames, and never leave high-stakes deploys unattended.
How to handle dates, time zones, and fiscal calendars in your reports
Time zones and fiscal calendars quietly break dashboards people trust. Learn to store UTC, display local time, separate calendar months from fiscal periods, and cast dates safely in…
Team habits that keep AI coding tools like Claude Code safe
Part 10 closes the Claude Code tutorial with team rails: shared CLAUDE.md and skills, required PRs and green CI, secrets policy, no silent prod deploys from agents, and…




