Recommended for :
| Feature | Experience | |--------|-------------| | | (LocalDB)\MSSQLLocalDB works immediately. | | Automatic start | First connection starts the instance (1-2 sec delay). | | Real SQL Engine | Supports T-SQL, stored procedures, transactions, most features except Service Broker, replication. | | Disk space | ~50 MB base + databases. | | User databases | Stored in C:\Users\<you>\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\ | | Tools support | Works with SSMS, Azure Data Studio, Rider, DBeaver, VS Code (mssql extension). | | No service overhead | Runs as a user process – no admin rights needed for daily use. | install localdb sql server