The full documentation lives on this page and the three setup-guide tutorials linked above. Offline help is also bundled in the application — see Help → Help Topics inside the IDE after install.
README.md
SQL Developer Getting Started Guide
Setup guides and tutorials for connecting Oracle, MySQL, PostgreSQL, SQL Server, and SQLite databases on Windows 10 and 11. Get from install to your first running query in under ten minutes.
// What You'll Learn
- ☑ Install SQL Developer on Windows
- ☑ Connect to Oracle, MySQL, PostgreSQL
- ☑ Write and run SQL queries
- ☑ Navigate database schemas
- ☑ Export data to CSV and Excel
- ☑ Troubleshoot common issues
// last updated: February 2, 2026
tutorials/
Setup Guides
Step-by-step guides to connect your first database
getting-started.md10 min · Beginner
Getting Started Guide
Install and launch on Windows 10/11. Connect to your first database in under 10 minutes — Oracle, MySQL, PostgreSQL, or SQL Server.
Read Tutorial →
first-query.md15 min · Beginner
Write Your First Query
Learn SQL basics with SELECT, WHERE, ORDER BY, and JOIN statements. Practical examples included.
Read Tutorial →
schema-explorer.md12 min · Beginner
Schema Explorer Tutorial
Navigate tables, views, indexes, and relationships. Understand your database structure visually.
Read Tutorial →
faq.md
Frequently Asked Questions
Common questions about the documentation, supported databases, and learning resources.
Extract the .zip, run sqldeveloper.exe, then click the green + icon in the Connections panel. The Getting Started Guide covers each step with screenshots. Need the install file first? See the download page.
Oracle, MySQL, PostgreSQL, SQL Server, SQLite, and MariaDB — all from a single interface. Each engine has its own connection profile; see the MySQL and PostgreSQL setup guides.
Yes. The bundled documentation includes a complete API reference with 100+ methods for connections, queries, and schema management. It's accessible from Help → API Reference inside the IDE.
Yes — the visual interface makes it easy to connect, write queries, and explore schemas without memorizing commands. The beginner tutorials get you productive in an hour.
Basics in under an hour. The Getting Started tutorial takes about 10 minutes, the First Query tutorial 15 minutes. Within a few hours of practice, you'll be comfortable navigating databases and writing queries.
Ready to start? Download the installer
Grab the offline installer for Windows 10/11 and follow the beginner tutorials above. No Oracle account required.