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SQL HOME
Welcome to the iwantcoding.com SQL Tutorial. The sidebar takes you from your first SELECT through joins, aggregation, schema design, indexes, and references for MySQL, SQL Server, and MS Access.
Run real SQL right now
The SQL Editor is a real SQLite engine running in your browser, with a sample shop database preloaded.
Open the SQL Editor »Recommended starting path
- Introduction — what SQL is and where it runs.
- Syntax + SELECT.
- WHERE, ORDER BY, LIKE.
- INSERT, UPDATE, DELETE.
- Joins + GROUP BY.
- CREATE TABLE + Constraints.
- Views, Indexes, Injection.
- Capstone — claim your certificate.
What's on every lesson page
| Section | What it does |
|---|---|
| Lesson body | Explanation with figures or tables. |
| Example | A runnable snippet. Click Try it Yourself » to edit it live. |
| Exercise | Fill-in-the-blank to lock in the concept. |
| Test yourself | 3-question quiz. |
| Mark complete | Updates the sidebar progress bar. |
Tip: SQL syntax differs slightly across MySQL, PostgreSQL, SQL Server, SQLite, and Oracle. The lessons call out portable forms first and flag vendor-specific syntax where it matters.
Example
Exercise
Name the green call-to-action button that opens the live SQL editor.
Click:
Same button on every tutorial page.
Test yourself
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