Lesson 1: Why databases matter: tables, rows, columns, keys and tidy design · 9 min
Before you begin · An invented story · Anatomy of a table
Learners prepare on their own, you answer questions live, and the surveys tell you what stuck. 8 fields to fill in with your own policy, contacts and locations; each one is highlighted inside the course.



What learners can do at the end of each lesson. Minutes are an estimate.
Before you begin · An invented story · Anatomy of a table
The three building blocks · Predict the rows · Match the clause and its job
What a join does · Count the rows · Grouping
Scenario · Scenario · Scenario
A good data request · Who to ask
Practice