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Lesson 1 of 9

What is SQL?

SQL stands for Structured Query Language. It is the standard language for talking to databases. You use SQL to store, retrieve, update, and delete data.

A database contains tables. A table has rows (records) and columns (fields). Think of a table like a spreadsheet.

SQL 
-- This is a SQL comment
-- Tables: users, products, orders
-- Columns: id, name, email, price, quantity
-- Rows: each individual record
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You completed SQL!

You finished all 9 lessons and quizzes. You now know the basics of SQL.

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