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Database Client vs SQL Server (mssql) extension for VS Code: catalog facts
Database Client	SQL Server (mssql) extension for VS Code
Freemium Core features are free; some advanced features need a paid license.	Free Free and open source from Microsoft.
Windows, macOS, Linux	Windows, macOS, Linux
Supports more than 40 databases and services SQL editor, data grid, backups and ER diagrams in one extension	Query SQL Server and Azure SQL from inside VS Code Runs on Windows, macOS and Linux
Only works inside VS Code Some features are behind a paid tier	Requires Visual Studio Code Focused on SQL Server and Azure SQL only
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.