Download the .zip file from our download page and extract it to any folder. Run sqldeveloper.exe directly - no installation wizard needed. SQL Developer is compatible with Windows 10 and Windows 11 (64-bit). Java is bundled, so no additional setup required.
support/new-ticket
Contact SQL Developer Support
Have questions, feedback, or need help? We're here to assist you with database connections, troubleshooting, or general inquiries.
# Reach the team
email = [email protected]
response_sla = 24 hours # Mon–Fri
hours = 9AM–6PM EST
self_service = 24/7 # help center + docs
channels/
How to Reach Us
Choose the best way to get support
// self-service
Self-Service Help
Browse our Help Center for troubleshooting guides, or check the Documentation for tutorials and setup guides.
// sla
Response Time
Email: Within 24 hours (business days)
Hours: Mon-Fri, 9AM-6PM EST
Self-service: Available 24/7
// before-you-write
Before You Contact Us
Quick solutions for common issues
- !→Connection RefusedCan't connect to your database? Check firewall settings and verify the database is running.
- ⚠→ORA-12154 TNS ErrorGetting TNS errors with Oracle? Check your tnsnames.ora configuration.
- i→Connect to MySQLNeed help connecting to MySQL? Follow our step-by-step guide.
- i↓Download IssuesProblems downloading? Get the latest version directly from our download page.
faq.md
Frequently Asked Questions
Quick answers to common questions
SQL Developer supports Oracle, MySQL, PostgreSQL, SQL Server, SQLite, and MariaDB. Connect to and manage all these databases from a single interface.
Yes, SQL Developer is completely free for personal and commercial use. No trial periods, no feature restrictions, no payment required.
Send an email to [email protected] with details about the bug or feature request. We respond within 24 hours on business days.