Home / SQL
SQL
The language of databases: asking questions with SELECT, filtering and sorting rows, joining tables, grouping totals, and building tables of your own. Every result comes from a real database engine.
Start learning ❯❯43 lessons · 11 topics · 0/43 completed
Course contents
Work top to bottom — the sidebar is the course. Topics later in the list assume the ones before them.
SQL Intro
Beginner · ⏱ 5 min · standalone lesson
Getting Started
Start: SQL Select ❯Filtering Rows
Start: SQL AND, OR and NOT ❯Editing Data
Start: SQL Insert ❯Totals and Groups
Start: SQL Count ❯Joining Tables
Start: SQL Inner Join ❯Combining Results
Start: SQL Union ❯Text and Number Functions
Start: SQL String Functions ❯Building Tables
- SQL Create Table
- SQL Data Types
- SQL Primary Keys
- SQL Auto-Increment Keys
- SQL Foreign Keys
- SQL Constraints
- SQL Alter Table
- SQL Drop Table
Views and Indexes
Start: SQL Views ❯SQL Project: Shop Report
Beginner · ⏱ 9 min · standalone lesson