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 tell when business data is clean enough to make a decision
Perfect data never arrives. Learn when an approximate answer is decision-ready, how to talk about confidence without fake precision, and a short quality checklist you can use before…
How to make sure every data analysis leads to a business decision
Analytics is not a one-way chart. Learn the six-step loop from question to measure-again, with a worked example, SQL sketch, and a ticket checklist you can reuse.
What is the difference between data, information, and insight?
Data, information, and insight are not the same thing. Learn the difference with plain definitions, a workplace ladder, and examples you can use in your next meeting.
How to start a data analysis: agree on the business decision first
Stop opening dashboards until you know which decision will change. A practical guide to framing analytics problems for everyday work; questions before data.
How to Check AI-Written SQL Before You Ship It
Chatbots can draft queries in seconds. Here’s a simple checklist so you catch bad joins, wrong filters, and confident nonsense.
