SSMS (SQL Server Management Studio) and Azure Data Studio are both free tools from Microsoft for connecting to and working with SQL Server. They overlap on everyday query work, but they were built for different jobs, so comparing them is less about which is better and more about which fits the task.
SSMS is the mature, feature rich management GUI that database administrators rely on for backups, security and server configuration. Azure Data Studio is a modern, VS Code based editor that runs on Windows, macOS and Linux and adds notebooks, extensions and built in source control. This comparison breaks down where each one leads.
Side by side
| Aspect | SSMS | Azure Data Studio |
|---|---|---|
| Platform | Windows only | Cross platform (Windows, macOS, Linux) |
| Primary focus | Deep administration and management GUI | Lightweight query editor and notebooks |
| Admin features | Full: backups, security, Always On, maintenance | Limited, aimed at query and development work |
| User experience | Classic, dense management console | Modern, VS Code based with extensions |
| Notebooks | Not supported | Built in SQL and other notebooks |
| Source control | No native Git integration | Built in Git and source control |
| Cost | Free | Free |
| Best known for | Full SQL Server administration | Cross platform query work and notebooks |
Where each one leads
SSMS strengths
- Comprehensive administration: backups, restores, security and configuration
- Advanced features like Always On, maintenance plans and Agent jobs
- Deep object explorer and rich management dialogs
- The long standing standard tool most SQL Server DBAs already know
Azure Data Studio strengths
- Runs on Windows, macOS and Linux, not just Windows
- Modern VS Code based interface with a large extension marketplace
- Built in SQL notebooks for documentation and repeatable analysis
- Native source control and a lightweight, fast query experience
When to choose each
Choose SSMS if
- You are a DBA doing backups, security or server configuration
- You need Always On, maintenance plans or SQL Agent management
- You work on Windows and want the full management GUI
- You want the most complete first party SQL Server admin tool
Choose Azure Data Studio if
- You work on macOS or Linux and need a native client
- You mainly write and run queries rather than administer servers
- You want notebooks, extensions or built in source control
- You prefer a lightweight, modern VS Code style editor
Verdict
This is rarely an either or choice. SSMS remains the tool for full SQL Server administration on Windows, with backups, security and high availability features that Azure Data Studio does not match. Azure Data Studio shines for cross platform query work, notebooks and a modern editing experience. Many people install both and use SSMS for admin tasks and Azure Data Studio for day to day querying, especially when they are not on Windows.
Frequently asked questions
Is Azure Data Studio replacing SSMS?
No. Microsoft positions them as complementary. Azure Data Studio focuses on cross platform query and development work, while SSMS remains the full administration GUI for SQL Server on Windows.
Which one should I use on a Mac or Linux?
Use Azure Data Studio, since SSMS is Windows only. See the Azure Data Studio tool guide for setup and features.
Are both tools really free?
Yes. Both SSMS and Azure Data Studio are free downloads from Microsoft, so cost is not a deciding factor between them.