Data analysis - Language
SQL
(Structured Query Language)
A language used to ask for, organise and change information in many databases
What's it for?
Lets people ask precise questions of stored data and change it when needed.
For example…
An analyst uses SQL to list overdue invoices by customer
An analyst writes SQL to join customers and orders and calculate total sales by region for the previous month
Think of it like…
Precise order form for the data kitchen: what you want, filtered how